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: Johnson had always wanted a pet cactus. Sentence 2: The only issue was they were very expensive. Sentence 3: Johnson then decided to travel to a desert. Sentence 4: Johnson got on an airplane and flew to the Sahara Desert. Sentence 5: After that, Johnson picked out his favorite cactus.

Cactus