TASK 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.
PROBLEM: Sentence1: David wanted to make some tea. Sentence2: He boiled the water and steeped the tea bags. Sentence3: Once he filled the jug with everything he set it aside on the counter. Sentence4: He had set it on the edge and it fell and spilled out on the floor.

SOLUTION: Now he has to clean it up and start over again.

PROBLEM: Sentence1: My birthday was yesterday. Sentence2: To my surprise my friends planned a party for me. Sentence3: I could not believe it. Sentence4: The party was very fun.

SOLUTION: It was the best birthday party ever.

PROBLEM: Sentence1: Lindsay did not feel well. Sentence2: She decided after a week to go see her doctor. Sentence3: Her doctor ordered tests to be run. Sentence4: It was determined she needed her gallbladder and appendix out.

SOLUTION:
Lindsay scheduled the surgery.