Task: Information Extraction
Input (English): Sentence1: Tim and Mary invited Susan and Joe out camping on Sunday. Sentence2: Susan and Joe acted enthusiastic about the trip. Sentence3: On Sunday, Tim and Mary went to pick Susan and Joe up in the car. Sentence4: Susan and Joe acted like they didn't want to go. Sentence5: Tim and Mary convinced them to go anyway.
Output (English): Tim, Susan, Mary, Joe