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: John was very focused on the grill. Sentence2: He had been entrusted to make sure the burgers were perfect. Sentence3: But just a few minutes before they were done, a pretty girl walked by. Sentence4: John walked over to talk to her.

Five minutes later he returned to a grill full of burned burgers.