`Ph-CH=CH=Ph underset(CCI_(4))overset(CI_(2))rarr X overset(2NaNH_(2))rarrYoverset(H_(2),Pd-CaCO_(3))rarrZ` Identify product (Z)

`Ph-CH=CH=Ph underset(CCI_(4))overset(CI_(2))rarr X overset(2NaNH_(2))rarrYoverset(H_(2),Pd-CaCO_(3))rarrZ`
Identify product (Z) of the reaction.
A.

C. `Ph-underset(Ph)underset(|)(C)=CH_(2)`
D. `Ph-C-=C-Ph`

`Ph-CH=CH=Ph underset(CCI_(4))overset(CI_(2))rarr X overset(2NaNH_(2))rarrYoverset(H_(2),Pd-CaCO_(3))rarrZ` Identify product (Z) of the reaction.