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: Jim had lost his book. Sentence2: He searched his entire backpack, but it wasn't there. Sentence3: Next, he looked through his bedroom. Sentence4: He didn't find it there, so he searched the living room.

Luckily, he found it in the couch cushion.