In a family, there are three siblings: X, Y, and Z. X is the oldest and is a software engineer. Y is a nurse and is younger than X but older than Z. What is Z's profession?
In a group of five friends: Alice, Bob, Charlie, David, and Eva, Alice is taller than Bob but shorter than Charlie. David is shorter than Eva but taller than Bob. Who is the tallest among them?
In a class of students: John, Lisa, Mark, and Sarah, John scored higher than Lisa but lower than Mark. Sarah scored the lowest. Who scored the highest?