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.
Q: Sentence1: Harry was doing his homework but had trouble with math. Sentence2: He decided to look for help on Youtube. Sentence3: After doing a few lessons, he saw an interesting video. Sentence4: The video was exciting and so he decided to watch another.
A: 
Harry finally overcame the distraction and returned to his math.