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: Billy and mandy were best friends. Sentence2: One day mandy decided to give billy a present. Sentence3: She put a tarantula in a box of chocolates. Sentence4: When they met up, mandy handed billy the chocolate box.

When billy found the tarantula, he fainted.