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.

Example Input: Sentence1: Sue and William were worried about their 7-year-old son, Kyle. Sentence2: Kyle had been acting strange for a couple days, unlike his usual self. Sentence3: Today, parental concern deepened when Kyle came home 2 hours late. Sentence4: Just as they were about to confront him, he handed over a wrapped box.
Example Output: The big secret was his parents' anniversary gift, a framed drawing.

Example Input: Sentence1: Jeff and some friends went on a mountain weekend getaway. Sentence2: Jeff drove them all up the mountain in his pickup. Sentence3: While packing up to return home, Jeff saw he had a flat tire. Sentence4: It was Sunday so there was no way of getting that fixed.
Example Output: Jeff carefully got everyone down the mountain, safe and sound.

Example Input: Sentence1: Tracy works at the 99 cent store. Sentence2: It got very busy. Sentence3: There were lines of people. Sentence4: She was very stressed out.
Example Output:
SHe got another worker to take over.