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: My friend Tom quit drinking and went to AA. Sentence2: He was doing well for a while but he began to act weird. Sentence3: Everyone knows AA is a strange cult, but we didn't expect the results. Sentence4: Tom began to stalk people around and act strangely.

We all avoid Tom now, he's gone off the deep end.