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: Bob has always had problems with math in school. Sentence2: Bob has gone to tutoring for years. Sentence3: This did not help him at all. Sentence4: Bob eventually bought a special computer program to teach him math.
Solution:
Bob definitely became more proficient in math.