'P # $ Q $ ' means ' $ P $ ' is the brother of ' $ Q $ '. 'P@ $ Q $ ' means ' $ P $ ' is the daughter of ' $ Q $ '.

' $ \mathrm{P} \% \mathrm{Q} $ ' means ' $ P $ ' is the father of ' Q '.

' $ P $ \& $ Q $ ' means ' $ P $ ' is the mother of ' $ Q $ '.

If 'A @ B # C \& E @ F \% R, then which of the following statement is correct.

'A # B' means 'A is the husband of B'.

'A @ B' means 'A is the daughter of B'.

'A & B' means 'A is the sister of B'.

If 'P & Q @ D # K @ S # T', then which of the following statements is not correct?

'A + B' means 'A is the mother of B'.

'A $-$ B' means 'A is the brother of B'.

'A $\times$ B' means 'A is the father of B'.

'A $\div$ B' means 'A is the daughter of B'.

If, P $-$ K $\times$ Y $-$ J $\div$ S + R, then which of the following statement is not correct?

Shikha is mother-in-law of Ekta who is sister-in-law of Ankit. Pankaj is father of Sanjay, the only brother of Ankit. How is Shikha related to Ankit?