Consider the following reaction sequences and choose the correct option.
\[
Ph-C\equiv C-CH_3
\]
On reduction with
\[
H_2/Pd-C \; (Lindlar's\; catalyst)
\]
gives K.
On reduction with
\[
Na/Liq.NH_3
\]
gives L.
Further reaction with
\[
HBr/benzoyl\; peroxide
\]
gives M and N respectively.