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?
A, B, C, D, and E are five friends who are standing in a line. A is to the right of B but to the left of C. D is to the right of E but to the left of A. What is the correct order of the friends?