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 'Fatima B Raj and Raj C Irfan' mean in terms of Fatima's relation to Irfan?
B = 'sister of', C = 'father of'. Combining: Fatima is sister of Raj, and Raj is father of Irfan. Therefore, Fatima is aunt of Irfan.