Task: Information Extraction
Input (English): Sentence1: I helped a customer today for nearly four hours. Sentence2: He was looking for the perfect engagement ring. Sentence3: I helped him pick a nice box and listened to what he was going to say. Sentence4: I rung him up and sent him on his way, happy to have helped. Sentence5: Only then did I realize I didn't put the ring in the box.
Output (English): I (myself), Customer