Definition: 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.
Input: Sentence 1: Bob and his friends really enjoyed hiking. Sentence 2: They decided to hike on a section of the AT. Sentence 3: They got all their gear together and set out. Sentence 4: They hiked on the AT for 4 days. Sentence 5: Bob and his friends all had such a blast.

Backpacking