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: The puppy scratched at the door. Sentence2: He wanted to go out to play. Sentence3: A man opened the door for the puppy. Sentence4: The puppy ran outside.

SOLUTION: The puppy looked very happy as it ran in the yard.

PROBLEM: Sentence1: Mary was in biology class. Sentence2: It was Valentine's day and some kids were receiving candy-grams. Sentence3: Suddenly, Mary received one. Sentence4: She had no idea who could have sent it.

SOLUTION: Despite her efforts, she never did find out who sent the candy.

PROBLEM: Sentence1: Dawson loved to cross country ski. Sentence2: He had planned this trip for two weeks. Sentence3: He had been skiing for four hours when he realized he was lost. Sentence4: He was scared but made a fire and waited for rescue.

SOLUTION:
It wasn't until morning, almost 14 hours later that he was found.