Study the following information and answer the given questions.

Eight members of a family are living in a house, in which two are married couples. N is the father of D. E is married to N. G and D are siblings. C is married to G. N has no son. K is the father of E. Q is the only son of C. A is the brother-in-law of N.

Q:

Who among the following is the son-in-law of N?

• 1
  G
• 2
  K
• 3
  C
• 4
  Q
• 5
  None of these