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: Davy stared at the stopped clock, willing it to move. Sentence2: Ity seemed as if time was standing still. Sentence3: How long had time been this way was a mystery to him. Sentence4: Suddenly the clock ticked over to 5:00 pm.
Davy sighed heavily as he clocked out of work.