Given the task definition and input, reply with output. In this task, you're given five sentences, numbered 1 through 5. Your job is to generate a title for the story that makes complete sense. The title must be short, with less than three words, use simple language, and include the main topic of the story.

Sentence 1: Jerry and Andrew decided to build a treehouse to hang out in. Sentence 2: They gathered the materials but could not agree which tree was best. Sentence 3: They argued about it and hurt each other's feelings. Sentence 4: After they had thought about it, they apologized to each other. Sentence 5: They decided friendship was more important than getting their own way.
The Treehouse