Task: Information Extraction
Input (English): Sentence1: Nick, Bob, Sam, and Don went to a rock show in Philadelphia last week. Sentence2: They found their seats with help from an usher. Sentence3: The group then searched for the merchandise booth. Sentence4: Three of them bought vinyl records. Sentence5: They returned to their seats to watch the rest of the show.
Output (English): Don, Sam, Three of them, Nick, Usher, Bob