Given the task definition and input, reply with output. In this task, you're given the title of a five-sentence story and the first four sentences. Your job is to write the last sentence of the story to not connect with the rest of the story. Ensure that the generated sentence is contextually relevant to the story.

Title: Knife Tricks. Sentence 1: Amanda had just bought a fully sharpened butterfly knife. Sentence 2: She wanted to practice doing tricks with it. Sentence 3: Unfortunately, she messed up one trick and cut her finger badly. Sentence 4: She had to go to the ER to get stitches in it.
Jake pulled out his umbrella just before it began to pour.