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

can be easily reduced using Zn-Hg/ HCl to

Reason R : Zn-Hg/HCl is used to reduce carbonyl group to –CH2 – group.
In the light of the above statements, choose the correct answer from the options given below:
(1) A is false but R is true
(2) A is true but R is false
(3) Both A and R are true but R is not the correct explanation of A
(4) Both A and R are true and R is the correct explanation of A