Read the information carefully to answer the given question:
i. ‘P + Q’ means ‘P is the father of Q’.
ii. ‘P - Q’ means ‘P is the mother of Q’.
iii. 'P × Q' means ‘P is the brother of Q’.
iv. 'P ÷ Q' means ‘P is the sister of Q’.
Which of the following means 'M is maternal uncle of T'?