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: John was looking for lumber at Home Depot on a Saturday morning. Sentence 2: There was a tremendous crashing and rumbling sound. Sentence 3: Everyone around John began to panic and run around crazily. Sentence 4: John heard an announcement through the store's speakers. Sentence 5: The announcement said there had been an earthquake!

Earthquake