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: Ashley's dog has fleas and is scratching himself. Sentence2: Ashley was very worried that she would get fleas as well. Sentence3: She went to the store and put flea and tick shampoo. Sentence4: Ashley then went home and gave her dog a bath.

Ashley killed all the fleas.