‘E $$+$$ B’ means ‘E is the husband of B’
‘E $$-$$ B’ means ‘E is the daughter of B’
‘E $ B’ means ‘E is the father of B’
‘E # B’ means ‘E is the mother of B’
If ‘N $$+$$ D # Z $ B’, then how is N related to B?

A

N is the paternal grandfather of B

B

N is the mother-in-law of B

C

N is the paternal grandmother of B

D

N is the maternal grandmother of B