Q: In this task, you're given the title of a five-sentence story and the first four sentences. Your job is to write the last sentence of the story such that it seamlessly connects with the rest of the story.
Title: awful past. Sentence 1: John saw his mother killed at gunpoint when he was a child. Sentence 2: John had to go to rehab and would eventually be healed. Sentence 3: John went for a criminal science degree. Sentence 4: John became a cop to solve murder crimes.
A:
Eventually, he was promoted to a detective to solve different crimes.