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: Lucas was knitting a sweater. Sentence2: He didn't know how to knit though. Sentence3: He made a big mess of wool thread. Sentence4: He gave it to his grandmother as a present.

The grandmother sat him down and taught him how to knit.