Read the following codes carefully and answer the question: A4B means 'A is the husband of B' A3B means 'A is the wife of B' A5B means 'A is the son of B' A7B means 'A is the daughter of B' In the expression P4Q7R4S, how is P's son related to S?

In a certain code language: 'A + B' means 'A is the daughter of B', 'A - B' means 'A is the brother of B', 'A x B' means 'A is the wife of B', 'A % B' means 'A is the father of B'. If 'Kartik + Vijay - Yash % Shreya x Rohan', how is Kartik related to Rohan?

In a certain code language: E + F means 'E is the husband of F' E - F means 'E is the mother of F' E × F means 'E is the wife of F' E ÷ F means 'E is the father of F' How is P related to T in the expression 'P × Q ÷ R - S + T'?