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: I was watching the storm yesterday. Sentence 2: You could see all the lighting bolts. Sentence 3: It was a little scary. Sentence 4: The thunder was so loud. Sentence 5: It last for a while.

Lighting storm.