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 had never eaten a mango before. Sentence2: My friend offered one to me. Sentence3: I decided to try it. Sentence4: It was delicious!

Alas, it was rotten so I could only eat half of it.