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: Olivia went to a restaurant she'd never been to before. Sentence2: She was nasty and demanding to the staff. Sentence3: They still provided her with the best service they could. Sentence4: Olivia was a food critic, and was testing them.

She gave them an 8 out of 10 stars for their professionalism.