# Essay Gap | AICC Round 2 — Data

来源：https://www.kaggle.com/competitions/essay-gap-aicc-round-2/data

采集时间：2026-10-20T05:39:11Z

You have access to two files:
- **train.csv**: Contains labeled examples with complete sentence mappings
- **test.csv**: Contains unlabeled examples where you must predict the correct option

`train.csv`:
- `sampleID`: Unique identifier for each essay
- `before`: Text preceding the gap (lorem ipsum in previews)
- `after`: Text following the gap (lorem ipsum in previews)
- `opt_0`, `opt_1`, `opt_2`, `opt_3`: Four candidate sentences to fill the gap
- `label`: Correct option index (0, 1, 2, or 3)

`test.csv`:
- `sampleID`: Unique identifier for each essay
- `before`: Text preceding the gap
- `after`: Text following the gap
- `opt_0`, `opt_1`, `opt_2`, `opt_3`: Four candidate sentences to choose from