Assertion: When a glass of hot milk placed in a room is allowed to cool, its entropy decreases.

• A. Reason: Allowing the hot object to cool does not violate the second law of thermodynamics.
• B. Both assertion and reason are true and the reason is the correct explanation of the assertion
• C. Both assertion and reason are true but the reason is not the correct explanation of the assertion
• D. Assertion is true but the reason is false
• E. Both assertion and reason are false