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: Timmy knew about this cute girl he went to school with. Sentence2: He followed her home one day. Sentence3: She stopped at a corner as he was following her. Sentence4: Timmy realized he had been caught, and was not sure what to do.

He said hello and they began talking.