Question

Four of the following five are alike in a certain way based on a group, which among the following does not belong to that group?

Answer the questions based on the information given below.
There are seven members in the family of three generations. There are two married couples. O is married to the father of P. L is the granddaughter of O. L has two siblings and one of them is K. N has only one son-in-law,
i.e., J, who is married to the mother of Q. Q is a female. No single person has a child.

A O

B Q

C N

D P

E L