Given the task definition and input, reply with output. 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: Tom wanted to propose to his girlfriend Stacey. Sentence2: He took her to her favorite Italian restaurant yesterday. Sentence3: During their meal they were very happy and flirtatious. Sentence4: To Stacy's surprise, Tom got down on one knee and proposed.
Stacey was in shock and started crying happy tears.