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: James was on his way to the podium when the rain started. Sentence2: The weather caused everyone in the crowd to seek shelter. Sentence3: An umbrella was placed over James's head by security. Sentence4: He was told it was okay to cancel the speech because of weather.

SOLUTION: Disappointed, he agreed and was escorted to his vehicle.

PROBLEM: Sentence1: Matt's family had decided to move to the Dust Bowl. Sentence2: He thought it was very scary, having to move so far away. Sentence3: He wondered if he'd be able to make new friends, or keep his old ones. Sentence4: After the move, Matt's fears turned out to be unwarranted.

SOLUTION: He both kept his old friends, and made many new ones.

PROBLEM: Sentence1: Billy went to the hardware store with his father. Sentence2: Billy stopped to look at something. Sentence3: His father did not notice and kept walking. Sentence4: Billy looked up and his father was gone!

SOLUTION:
Billy found an employee who called his father for him.