An ' Assertion' and a 'Reason' are given below. Choose the correct answer from the following options.
Assertion (A) : Vinyl halides do not undergo nucleophilic substitution easily.
Reason (R) : Even though the intermediate carbocation is stabilized by loosely held
$\pi$-electrons, the cleavage is difficult becuase of strong bonding.
Both (A) and (R) are wrong statements
Both (A) and (R) are correct statements and (R) is the correct explanation of (A)
Both (A) and (R) are correct statements but (R) is not the correct explanation of (A)
(A) is a correct statement but (R) is a wrong statement.
Correct Option: , 4