Context: A thunderstorm hit my neighborhood hard on an evening in July . It suited my mood . I raised my umbrella and walked outside . The rivers on the streets were warm ; the rivers on the sidewalks were cool .
Question: What might be a good reason not to walk outside with an umbrella right now ?
Option 0: My umbrella might be swept away by the tornado winds .
Option 1: None of the above choices .
Option 2: The rivers on the streets might cause hypothermia .
Option 3: There may be lightning associated with the thunderstorm .
Answer: 3