diff --git a/.obsidian/graph.json b/.obsidian/graph.json
new file mode 100644
index 0000000..fcaba81
--- /dev/null
+++ b/.obsidian/graph.json
@@ -0,0 +1,22 @@
+{
+  "collapse-filter": true,
+  "search": "",
+  "showTags": false,
+  "showAttachments": false,
+  "hideUnresolved": false,
+  "showOrphans": true,
+  "collapse-color-groups": true,
+  "colorGroups": [],
+  "collapse-display": true,
+  "showArrow": false,
+  "textFadeMultiplier": 0,
+  "nodeSizeMultiplier": 1,
+  "lineSizeMultiplier": 1,
+  "collapse-forces": true,
+  "centerStrength": 0.518713248970312,
+  "repelStrength": 10,
+  "linkStrength": 1,
+  "linkDistance": 250,
+  "scale": 0.7132754626224416,
+  "close": false
+}
\ No newline at end of file
diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index e01bca3..958f6ad 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -20,8 +20,19 @@
               "icon": "lucide-file",
               "title": "WorkBook 4A"
             }
+          },
+          {
+            "id": "fb66f6bb182c522a",
+            "type": "leaf",
+            "state": {
+              "type": "graph",
+              "state": {},
+              "icon": "lucide-git-fork",
+              "title": "Граф"
+            }
           }
-        ]
+        ],
+        "currentTab": 1
       }
     ],
     "direction": "vertical"
@@ -94,7 +105,6 @@
             "state": {
               "type": "backlink",
               "state": {
-                "file": "English/homework/WorkBook 4A.md",
                 "collapseAll": false,
                 "extraContext": false,
                 "sortOrder": "alphabetical",
@@ -104,7 +114,7 @@
                 "unlinkedCollapsed": true
               },
               "icon": "links-coming-in",
-              "title": "Обратные ссылки для WorkBook 4A"
+              "title": "Обратные ссылки"
             }
           },
           {
@@ -113,12 +123,11 @@
             "state": {
               "type": "outgoing-link",
               "state": {
-                "file": "English/homework/WorkBook 4A.md",
                 "linksCollapsed": false,
                 "unlinkedCollapsed": true
               },
               "icon": "links-going-out",
-              "title": "Исходящие ссылки из WorkBook 4A"
+              "title": "Исходящие ссылки"
             }
           },
           {
@@ -156,13 +165,12 @@
             "state": {
               "type": "outline",
               "state": {
-                "file": "English/homework/WorkBook 4A.md",
                 "followCursor": false,
                 "showSearch": false,
                 "searchQuery": ""
               },
               "icon": "lucide-list",
-              "title": "Структура WorkBook 4A"
+              "title": "Структура"
             }
           },
           {
@@ -195,10 +203,17 @@
       "obsidian-git:Open Git source control": false
     }
   },
-  "active": "c3e5b400f87e4a39",
+  "active": "fb66f6bb182c522a",
   "lastOpenFiles": [
-    "English/dictionary.md",
+    "obsidian.md",
+    "Programming/ML/math_neuron.excalidraw.md",
+    "Programming/ML/biology_neuron.excalidraw.md",
+    "Programming/ML/Pytorch basics.md",
+    "Programming/ML/pytorch база.md",
+    "Programming/ML/Гиперпараметры.md",
+    "Excalidraw/Drawing 2026-07-30 11.54.23.excalidraw.md",
     "English/homework/WorkBook 4A.md",
+    "English/dictionary.md",
     "English/homework",
     "English/Homework.md"
   ]
diff --git a/English/homework/WorkBook 4A.md b/English/homework/WorkBook 4A.md
index e69de29..1318ba2 100644
--- a/English/homework/WorkBook 4A.md	
+++ b/English/homework/WorkBook 4A.md	
@@ -0,0 +1,39 @@
+## ex. 1
+
+| Holiday accommodation                                                                                 | Types of holidays                                                                                   |
+| ----------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------- |
+| beach house, caravan, guest house, holiday home, self-cathering apartment, tent, time-share apartment | adventure holiday, backpacking, beach holiday, cruise, surfing, volunteering, winter sports holiday |
+## ex. 2
+1. hotel
+2. house swap
+3. villa
+4. youth hostel
+5. B&B
+6. self-cathering apartment
+
+## ex. 5
+1. Breathtaking
+2. dingy
+3. remote
+4. hospitable
+5. vibrant
+6. unique
+
+## ex. 6
+1. easy
+2. pamper
+3. physically
+4. adventure
+5. batteries
+6. experiences
+
+## ex. 7
+1. d
+2. g
+3. b
+4. a
+5. e
+6. h
+7. f
+8. c
+
diff --git a/Excalidraw/Drawing 2026-07-30 11.54.23.excalidraw.md b/Excalidraw/Drawing 2026-07-30 11.54.23.excalidraw.md
new file mode 100644
index 0000000..96dc983
--- /dev/null
+++ b/Excalidraw/Drawing 2026-07-30 11.54.23.excalidraw.md	
@@ -0,0 +1,14 @@
+---
+
+excalidraw-plugin: parsed
+tags: [excalidraw]
+
+---
+==⚠  Switch to EXCALIDRAW VIEW in the MORE OPTIONS menu of this document. ⚠== You can decompress Drawing data with the command palette: 'Decompress current Excalidraw file'. For more info check in plugin settings under 'Saving'
+
+
+## Drawing
+```compressed-json
+N4IgLgngDgpiBcIYA8DGBDANgSwCYCd0B3EAGhADcZ8BnbAewDsEAmcm+gV31TkQAswYKDXgB6MQHNsYfpwBGAOlT0AtmIBeNCtlQbs6RmPry6uA4wC0KDDgLFLUTJ2lH8MTDHQ0YNMWHRJMRZFFgBWRQBmMiRPVRhGMBoEAG0AXXJ0KCgAZQCwPlBJfDwc7A0+Rk5MTHIdGCIAIXRUAGtirkZcAGF6THp8BBAAYgAzcYmQAF8poA===
+```
+%%
\ No newline at end of file