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 ?
Options:
0. My umbrella might be swept away by the tornado winds .
1. None of the above choices .
2. The rivers on the streets might cause hypothermia .
3. There may be lightning associated with the thunderstorm .
Answer: 3