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: Kevin wrote letters everyday to his girlfriend. Sentence2: His girlfriend always wrote back. Sentence3: One day she wrote that she was in danger. Sentence4: Kevin took a plane to go see her.

It turned out she was really planning the best surprise party ever.