Question 1
If:
A = brother of, B = sister of, C = father of, D = mother of, E = son of, F = daughter of, G = husband of, H = wife of
Then what does 'Luca C Neha and Neha E Anita' mean in terms of Luca's relation to Anita?
C = 'father of', E = 'son of'. Combining: Luca is father of Neha, and Neha is son of Anita. Therefore, Luca is grandfather of Anita.