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: Military replaced College. Sentence 1: Alex just started college the same year that 9/11 happened. Sentence 2: Going to college was always a dream for him and he was very happy. Sentence 3: But he couldn't stop thinking of the 9/11 incident. Sentence 4: He wanted to do something about it and make a difference in the world.
So Alex dropped out of college and joined the military.