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: Tina was playing a video game online. Sentence2: She was sad because she didn't have enough gold to buy a magic staff. Sentence3: But someone found her online character attractive and gave her gold. Sentence4: Tina got more than enough money to buy the magic staff.

SOLUTION: And she spent the rest of the day buying items with all of her gold.

PROBLEM: Sentence1: Leeza was walking alone near the woods. Sentence2: She suddenly fell and was unable to walk. Sentence3: She screamed for help, to no avail. Sentence4: She crawled to the street to flag someone down.

SOLUTION: Leeza was in pain.

PROBLEM: Sentence1: I was walking up the stairs. Sentence2: Suddenly, I fell! Sentence3: I was rushed to the hospital for a concussion. Sentence4: The doctors told me I should be more careful.

SOLUTION:
From then on, I decided to hold onto the stair railings.