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: Ken loved the mountains and exploring. Sentence 2: He liked going to old caves and looking for nice rocks. Sentence 3: He would often find gems or interesting crystals. Sentence 4: Ken loved collecting them. Sentence 5: Eventually he had two briefcases full of them.

Looking for Gemstones