Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R :

Assertion A : Body mass index is estimated from values of weight and height.

Reason R : Body mass index is a measure of overall adiposity.

In the light of the above statements. choose the most appropriate answer from the options given below :

A

Both A and R are correct and R is the correct explanation of A

B

Both A and R are correct but R is NOT the correct explanation of A

C

A is correct but R is not correct

D

A is not correct but R is correct