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: Our son turns 27 this week. Sentence2: We gave him money for an Xbox. Sentence3: He was going to combine the cash with a Best Buy gift card he had. Sentence4: He looked everywhere for his card and thought he lost it.

Luckily he found the card and was able to get his birthday gift.