Detailed Instructions: 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.
Problem:Sentence1: Terence took his brothers boomerang and threw it as hard as he could. Sentence2: He was angry at his brother, and wanted his brother to chase it back. Sentence3: Terence laughed and turned around to walk away. Sentence4: As he did, something hit him in the back of the head.
Solution:
Terence didn't know that boomerang's returned to the thrower.