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: Suzy went to the ice cream store. Sentence2: She ordered a vanilla milkshake. Sentence3: When she tried to pay the man for her milkshake, he smiled at her. Sentence4: He told her that she won a special contest.

He gave her the milkshake for free.