Add README

README.md

@@ -1,19 +1,38 @@
 ---
-dataset_info:
-  features:
-  - name: prompt
-    dtype: string
-  - name: category
-    dtype: string
-  splits:
-  - name: train
-    num_bytes: 141357
-    num_examples: 1000
-  download_size: 71030
-  dataset_size: 141357
-configs:
-- config_name: default
-  data_files:
-  - split: train
-    path: data/train-*
+language:
+- en
+license: cc-by-4.0
+size_categories:
+- 1K<n<10K
+task_categories:
+- text-classification
+tags:
+- safety
+- overrefusal
+- evaluation
+source_datasets:
+- bench-llm/or-bench
 ---
+
+# or-bench-1k
+
+A balanced 1000-prompt subsample of [bench-llm/or-bench](https://huggingface.co/datasets/bench-llm/or-bench) (`or-bench-80k` config), used for overrefusal evaluation in MR-Eval.
+
+## Construction
+
+- Source: `bench-llm/or-bench`, config `or-bench-80k` (80,359 prompts).
+- Sampled 100 prompts per category for each of the 10 categories (random seed 42).
+- Final order shuffled.
+
+## Categories
+
+deception, harassment, harmful, hate, illegal, privacy, self-harm, sexual, unethical, violence — 100 each (1000 total).
+
+## Columns
+
+- `prompt` (str): the seemingly-toxic but actually-benign request.
+- `category` (str): one of the 10 categories above.
+
+## Citation
+
+If you use this, please cite the original OR-Bench paper.