Question 1
Is Ama the sister of Asha?
(1) Ama is female and child of Ivan.
(2) Asha is child of Ivan.
Statement 1 tells us Ama is female and child of Ivan. Statement 2 tells us Asha is child of Ivan. Together they confirm Ama and Asha share parent Ivan and Ama is female, so Ama is the sister of Asha.