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 spend all of my time working on my writing. Sentence2: As a result I have begun to feel quite lonely. Sentence3: I've decided to join an online dating community. Sentence4: As I join, I realize that I don't particularly like other people.

SOLUTION: I began to write more.

PROBLEM: Sentence1: Every year my family and I go to Disney. Sentence2: We always have a total blast. Sentence3: This year we went back and did all the rides. Sentence4: We took a ton of pictures.

SOLUTION: I can't wait to go back.

PROBLEM: Sentence1: Sandy was homeless. Sentence2: She had been sleeping on the park bench for the past month. Sentence3: It was her birthday tomorrow and she felt lonely. Sentence4: The next day a girl she had met at the park visited her.

SOLUTION:
She bought her cake because she remembered it was Sandy's birthday.