Read the following details and answer the question: A@B means A is the husband of B A#B means A is the wife of B AB means A is the son of B A%B means A is the daughter of B In the expression P%Q@R%S, how is P related to S?

'E × F' means 'E is the wife of F' 'E + F' means 'E is the mother of F' 'E ÷ F' means 'E is the husband of F' 'E − F' means 'E is the son of F' In the expression 'B + C × D', how is B related to D?

'A × B' means 'A is the husband of B' 'A + B' means 'A is the daughter of B' 'A ÷ B' means 'A is the son of B' 'A − B' means 'A is the wife of B' In the expression 'T ÷ R × M', how is T related to M?