Add task category to dataset card metadata

README.md

@@ -1,14 +1,16 @@
 ---
-license: cc-by-4.0
 language:
 - en
-pretty_name: MIST
+license: cc-by-4.0
 size_categories:
 - n<1K
+pretty_name: MIST
 tags:
 - video
 - benchmark
 - world-model
+task_categories:
+- other
 configs:
 - config_name: default
   data_files:
@@ -53,4 +55,4 @@ cards = load_dataset("Wayne-King/MIST", split="test")
 | `expected_reveal` | What the last frame must show |
 | `expected_present` / `expected_absent` / `expected_state` / `expected_count` | Scoring checks |
 
-The reveal text does not name the hidden answer as a gold sentence. `expected_*` is the scoring key.
+The reveal text does not name the hidden answer as a gold sentence. `expected_*` is the scoring key.