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: The customer ordered a milkshake. Sentence 2: He drank it too fast. Sentence 3: He got a headache. Sentence 4: He shut his eyes tightly from the pain. Sentence 5: The owner of the shop laughed at his grimace.

Ice Cream Headache