Task: Information Extraction
Input (English): Sentence1: Sam went to the storage closet at work to get some supplies. Sentence2: The closet was locked so he took out his keys. Sentence3: Sam went through 25 of his 50 keys before he found the right one. Sentence4: Sam put a strip of tape to mark the key to the storage closet. Sentence5: Now Sam never had to waste time trying to find the key again.
Output (English): Sam