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: My Sad Brother. Sentence 1: My four year old brother was sad. Sentence 2: He had dropped his toy in a puddle of water. Sentence 3: It was too dirty to get out. Sentence 4: I decided to give him one of my action figures.
This made him the happiest person in our house.