Teacher: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.
Teacher: Now, understand the problem? Solve this instance: Sentence1: Mary's family was getting together for a holiday dinner at the club. Sentence2: Everyone was going to be there except for Mary's Grandfather. Sentence3: Mary was sad that the whole family would not be together. Sentence4: When she got to the club, she was surprised to see her grandfather!
Student:
Mary was so happy!