‘B & D’ means ‘B is the brother of D’.

'B × D’ means ‘B is the mother of D’.

‘B # D’ means ‘B is the wife of D’.

‘B $ D’ means ‘B is the son of D’.

‘B @ D’ means ‘B is the mother of D’.

How is B related to G in the following expression?

A B # F $ C @ E # G