Question 1
In a family of Sanjay, John, Uday, Mark, Donald, Kofi:
Sanjay is the grandparent of Kofi
Mark is the parent of Kofi
Sanjay is the parent of John
John and Mark are siblings
Mark is married to John
How is Kofi related to Sanjay?
Based on the family tree: Kofi is the grandparent-grandchild of Sanjay