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: Colleen was just buying a used car. Sentence2: The owner warned her that the car was tricky. Sentence3: He showed her how to start the car. Sentence4: It involved some wiggling of the gear.

Colleen made sure she knew how to do it before leaving.