Definition: In this task, you're given a four sentences of story written in natural language. Your job is to complete end part of the story by predicting appropriate last sentence which is coherent with the given sentences.
Input: Sentence1: Bob needed a new pair of socks. Sentence2: He went to the local department store to buy them. Sentence3: The store was having a big sale. Sentence4: He found himself buying lots of great stuff.

Bob really enjoyed his shopping trip.