Given below are two statements, one is labelled as Assertion (A) and the other is labelled as Reason (R):
Assertion (A): Hydrolysis of sec-butyl acetate yields sec-butanol with some rotation but with opposite sign.
Reason (R) : SN2 reaction goes with inversion of configuration at carbon atom under attack.
In the light of the above statements, choose the correct answer from the options given below.