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: Tiffany was proposed to by her boyfriend. Sentence2: She got a very nice ring and was happy. Sentence3: She began to show it to all her friends after she got it. Sentence4: Later she got it checked and the diamond was fake.

Tiffany called her boyfriend and broke up with him.