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: Yesterday I had to go grocery shopping. Sentence2: When it was time to check out I got in line. Sentence3: The register broke when it was my turn in line. Sentence4: I was forced to go to the back of another line.

SOLUTION: A nice cashier came to apologize and helped me check out.

PROBLEM: Sentence1: David and Mia rarely got to go out since they had young children. Sentence2: One Friday, they were finally able to get away to see a movie. Sentence3: They were looking forward to it so much, but it turned out to be bad! Sentence4: In fact, it was so bad that they could barely contain their giggles.

SOLUTION: David and Mia decided to leave the movie.

PROBLEM: Sentence1: Driving to the grocery store in a storm, Ana heard air raid sirens. Sentence2: Through her windshield, she could see an approaching tornado. Sentence3: Frightened, And quickly pulled up to the store and rushed inside. Sentence4: Managers were leading customers into the basement for safety.

SOLUTION:
Waiting out the storm, Ana was grateful to have found shelter.