Given below are two statements : One is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion (A): Clothes containing oil or grease stains cannot be cleaned by water wash.

Reason (R): Because the angle of contact between the oil/grease and water is obtuse.

In the light of the above statements, choose the correct answer from the option given below.

1. A Both (A) and (R) are true and (R) is the correct explanation of (A) Correct answer
2. B Both (A) and (R) are true but (R) is not the correct explanation of (A)
3. C (A) is true but (R) is false
4. D (A) is false but (R) is true