If 'P # Q' means 'P is the daughter of Q', 'P & Q' means 'P is the brother of Q', 'P @ Q' means 'P is the mother of Q', 'P % Q' means 'P is the son of Q'. Which of the following indicates that 'M is the grandmother of N'?

Options:

• A: M @ R & T @ N
• B: M @ R % N
• C: M @ R & N @ T
• D: M @ T % R @ N

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