Following questions are based on the information provided below:
$A \times B$ means $A$ is mother of $B$.
$A - B$ means $A$ is brother of $B$.
$A + B$ means $A$ is sister of $B$.
$A \div B$ means $A$ is father of $B$.
Which of the following means $R$ is maternal uncle of $T$?

• A
  $R - M \times T$
• B
  $R + M \times T$
• C
  $T \times M - R$
• D
  $T + M \div R$