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: Tim is a great athlete. Sentence2: Tim wanted to do karate to work out. Sentence3: Tim went to an introductory karate class. Sentence4: Tim enjoyed his class.

Tim signed up for 3 months of karate instruction.