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: Carly was waiting for Sam to call her. Sentence2: He promised to on Friday. Sentence3: It was now late Saturday and she hadn't heard anything. Sentence4: Finally she decided to call him.

Sam answered the phone.