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: Yesterday I took my dog to the vet for a checkup. Sentence2: He developed diabetes a few months ago. Sentence3: Recently, I noticed that he bumped into walls. Sentence4: The doctor said the diabetes has made him blind!

I am really sad that my loyal companion has lost his sight.