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: Mark was convinced there was a ghost in his house. Sentence2: His mom assured him that ghosts weren't real. Sentence3: Mark wasn't convinced so he decided to set a trap. Sentence4: He heard what he thought was a ghost and tossed a net over it!

Underneath the net was his dad and they both had a laugh about it.