Question
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.

Answer

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