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: Anita's son loved helicopters. Sentence2: She promised herself one day she would get him on a helicopter. Sentence3: Next, her new boyfriend told her he could fly a helicopter. Sentence4: He arranged to fly a newspaper's small helicopter.

Anita's boyfriend took her son on a fifteen minute helicopter flight.