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: Alice wanted to buy her son jack a puppy. Sentence2: She went to the pet store white jack was at school. Sentence3: When Jack came home she handed him the puppy. Sentence4: Jack's face lit up and he jumped for joy.

Alice was touched by Jack's happiness.