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.

[Q]: Sentence1: Charlie wanted to be a police officer in Hawaii. Sentence2: He passed his tests and was hired in Honolulu. Sentence3: Charlie liked interacting with the community. Sentence4: Charlie didn't like the amount of corruption in the force.
[A]: Charlie vowed to change things if he was ever made chief.

[Q]: Sentence1: Sally was struggling to do well in school. Sentence2: Her parents decided they needed to motivate her. Sentence3: They said if she did well her last semester, she picks the vacation. Sentence4: Sally studied night and day, she wanted to do well.
[A]: Sally did well, and her parents agreed to take her to Hawaii.

[Q]: Sentence1: Bob got a rubix cube for Christmas. Sentence2: He struggled to solve the puzzle. Sentence3: Eventually, he was able to solve half of it. Sentence4: But, the full solution remained elusive.
[A]:
Bob worked hard and then finally solved the puzzle.