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: Howard loved his job. Sentence2: One day his boss asked him to stay over and work late. Sentence3: He was happy to stay and finish working on his project. Sentence4: He became so engrossed in his work that time seemed to fly by.

He successfully completed his project, then returned home.