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: I was getting ready for bed. Sentence2: I went to the bathroom to brush my teeth. Sentence3: I grabbed my toothbrush and toothpaste. Sentence4: I began to brush my teeth.

I spit the toothpaste into the sink.