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: Lilly made cranberry sauce for Thanksgiving. Sentence2: It was her first time meeting her boyfriend's parents. Sentence3: The meal was going well until she took a bite of what she had made. Sentence4: She realized she had forgotten to put sugar in it.

The cranberry sauce was very sour.