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: I decided to go to a party. Sentence2: It was late at night and I was sleepy. Sentence3: I regretted my decision but I decided to stay at the party. Sentence4: The next day, I felt terrible.

SOLUTION: I learned that I should not go to parties late a night.

PROBLEM: Sentence1: Chase really wanted a new toy. Sentence2: His mom would not purchase a new toy for him. Sentence3: She advised he save his allowance. Sentence4: He saved his allowance.

SOLUTION: Chase bought himself a new toy.

PROBLEM: Sentence1: Just the other month, the State Lottery reached over $500 million. Sentence2: Jill wasn't much of a gambler, but thought it was to good to pass up. Sentence3: She rushed to the convenience store and bought dozens of tickets. Sentence4: Jill was so excited, she could barely sleep.

SOLUTION:
Ultimately, she didn't win, but the hope it gave her was worth it.