Six people are seated in a row. A is to the left of B but not next to C. D is to the right of C. E is sitting next to A. Who is sitting at the end of the row?
In a family, there are three siblings: X, Y, and Z. X is older than Y but younger than Z. If Z is a teacher, what can be inferred about Y's age relative to X?
If A + B means A is the sister of B, A - B means A is the brother of B, and A × B means A is the mother of B, what is the relationship of C if A + C - B?