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: On a cool Saturday afternoon Amy was in her backyard alone. Sentence2: She was practicing her volleyball skills when her dad came out. Sentence3: He offered to help her practice. Sentence4: Amy was grateful.

They practiced together.