You will be given a definition of a task first, then some input of the task.
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.

Sentence1: Dan was walking home from school and saw the window display. Sentence2: There was a train set in the window of the store. Sentence3: Dan wished so badly that he could own this train set. Sentence4: When Dan got home his mother told him she had a surprise.
Output:
She gave Dan the train.