Detailed Instructions: 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.
Q: Title: Dynamite. Sentence 1: Log Billson was a worker at a dynamite plant. Sentence 2: One day, the plant caught fire. Sentence 3: Log stayed on-site for 12 hours, fighting the fire. Sentence 4: He ushered hundreds of workers to safety.
A:
He collapsed after the 12th hour just as the factory exploded.