Subject :IMO Class : Class 8
If 'A # B' means 'B is father of A', 'A * B' means 'B is mother of A', 'A £ B' means 'B is brother of A' and 'A $ B' means 'B is sister of A', then which of the following means 'O is grandmother of T'?
A
B
C
DNone of these