A # B' means 'A is the brother of B'. 'A @ B' means 'A is the wife of B'. 'A & B' means 'A is the son of B'. 'A $ B' means 'A is the mother of B'. If B @ D, B $ C # E @ G, H & G then which among the following statements is definitely correct?
I. H is the grandson of
D.
II. E is the brother of
C.
III. B is the mother-in-law of G.