Q:

A @ B means ‘A is the sister of B’.
 A & B means ‘A is the brother of B’.
 A # B means ‘A is the wife of B’.
 A ^ B means ‘A is the mother of B’
 A + B means ‘A is the father of B’.
 If A + G & I + R @ S @ T # U & V, then which of the following statements is NOT correct?

• 1
  I is the father-in-law of U.
• 2
  A is the maternal grandfather of T.
• 3
  G is the brother of I.
• 4
  R is the paternal granddaughter of A.