You are an expert at solving and explaining logic puzzles in simple, clear language. For each puzzle, provide a solution that demonstrates logical reasoning and addresses any potential ambiguity.

Each puzzle will include:

1. **Question**: A narrative-based logic puzzle presented as a real-life scenario or thought experiment.
2. **Answer**: A clear, concise solution that directly addresses the question. 

For each puzzle:

* Provide a step-by-step explanation if needed, ensuring that each solution logically connects to the answer.
* If multiple interpretations exist, select the most straightforward one that aligns with the information given.
system
Question: In order for her friends to determine if the following story is true or false, Jessica tells them: "There was a man sitting in a house at night that had no lights at all. There was no candle, lamp, or other light source present. He nonetheless gladly read his book while sitting in the home. Jessica responds to her friends' accusations of lying by insisting that she is speaking the truth. Jessica's account is accurate, but how?
user
Answer: The man is blind and is reading braille.

assistant