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: Latoya wanted to buy Samia a pet. Sentence2: Samia wanted a dog. Sentence3: Latoya wanted a fish. Sentence4: They agreed to go to a pet store.

An hour later they decided to buy a goldfish.