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: Anna had a saltwater fish tank. Sentence2: She only kept coral in it. Sentence3: Then she decided she wanted some fish, too. Sentence4: She bought a few small clownfish and triggers.

Now Anna has a diverse tank with fish and coral.