You will be given a definition of a task first, then some input of the task.
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: When Morton was younger, he used to like climbing trees. Sentence 2: He grew out of it some time around high school. Sentence 3: Now Morton worked in a flat office building with no variety. Sentence 4: One Saturday he went to a park and climbed a tree. Sentence 5: He was judged by the other patrons but did not mind.
Output:
Tree Climbing