‘A + B’ means ‘A is the daughter 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 son of B’.If U + C × Q – P ÷ R ÷ S – T, then how is S related to U?

• A. Maternal grandfather
• B. Paternal grandmother
• C. Mother
• D. Paternal grandfather