Task: Information Extraction
Input (English): Sentence1: My brother took his brother-in-law in for surgery yesterday. Sentence2: It was day surgery. Sentence3: His brother-in-law has polio and needs crutches. Sentence4: When he was released he was groggy and slow. Sentence5: It took an hour to get him up the stairs.
Output (English): Brother, Brother-in-law