Direction: Study the following data carefully and answer the questions accordingly.
There are seven members in a family with only three male members and two married couples. Z is the grandmother of L. O is married to S. O is the daughter-in-law of M. C is a sibling of L and M is the grandfather of C. U is the brother of M.

Q:

Who is the mother-in-law of O?

• 1
  L
• 2
  U
• 3
  M
• 4
  Z
• 5
  None of these