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: Mandy warned her boyfriend, Dave, that she hated surprise parties. Sentence2: Dave thought she was sending him a message in code. Sentence3: He was confident she was hinting that she desired such a birthday. Sentence4: He went to great effort to throw her an elaborate surprise party.

Initially angry, Mandy calmed down when she saw how hard he'd worked.