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: Lynn loved watching the traffic outside her window. Sentence2: But her mom was upset, claiming Lynn wasted time daydreaming. Sentence3: Then one day Lynn witnessed a hit and run accident. Sentence4: She wrote down the license plate number and told the police.

Lynn's mom was so proud of her daughter for helping!