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: Kenneth's mother always wanted to learn to pull taffy. Sentence2: Her arthritis was too bad to learn. Sentence3: One summer, Kenneth took a taffy pulling class at the candy factory. Sentence4: He worked at it until he was a master taffy puller.

He presented his mother with a box of taffy he had made just for her.