Q:

If A × B means that A is the brother of B, A – B means that A is the sister of B, A + B means that A is the father of B then which of the following expression shows that P is the paternal aunt of R?

• 1
  P – Q × R
• 2
  P – Q + R
• 3
  P × Q + R
• 4
  P + Q – R