X=Benzyl amine (phenyl methanamine); Y= Benzene amine (Aniline). True statement is

$–N{H}_2$ group in both “X” and “Y” shows –I effect only

$–N{H}_2$ group in “X” shows only-I effect whereas in “Y” shows – I, $+‘M’$ effect

$–N{H}_2$ group in both X and Y shows $+‘M’$ effect only

$–N{H}_2$group in “Y” shows $+‘M’$ effect only