If ' P * Q' means 'P is the mother of Q'.
If ' P × Q' means 'P is the father of Q'.
If ' P + Q' means 'P is the sister of Q'.
If ' P - Q' means 'P is the brother of Q'.
If ' P > Q' means 'P is the son of Q'.
If' P < Q' means 'P is the daughter of Q'.
In the expression 'P + Q > A - B' how is P related to B?