‘A + B’ means ‘A is the sister of B’‘A - B’ means ‘A is the brother of B’‘A × B’ means ‘A is the mother of B’‘A ÷ B’ means ‘A is the father of B’If V + S × Q - P ÷ T + R × U, then how is R related to S?

• A. Daughter
• B. Grand-daughter
• C. Maternal grandmother
• D. Grandson