A Q ನ ಸಹೋದರಿ. C Q ನ ತಾಯಿ. P C ಯ ತಂದೆ. E P ಯ ತಾಯಿ. Q P ಗೆ ಹೇಗೆ ಸಂಬಂಧಿಸಿದ್ದಾನೆ?

C is Q's mother and P is C's father, so Q is P's grandchild. Q's gender is not given (A being Q's sister says nothing about Q), so grandson or granddaughter cannot be determined.