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: Dropping a Hammer. Sentence 1: Charles was doing some construction work. Sentence 2: He had a pretty good safety record. Sentence 3: At one point he dropped his hammer on his foot. Sentence 4: Luckily he was wearing his protective boots.
Charles laughed it off and picked up his hammer.