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Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R. Assertion A: pK a value of phenol is 10.0 while that of ethanol is 15.9. Reason R: Ethanol is stronger acid than phenol. In the light of the above statements, choose the correct answer from the options given below.

1. Both A and R are true but R is NOT the correct explanation of A
2. A is true but R is false
3. Both A and R are true and R is the correct explanation of A
4. A is false but R is true

Correct answer: A is true but R is false

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