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, there are four students: John, Mike, Sarah, and Lisa. John is older than Mike but younger than Sarah. Lisa is younger than Mike. Who is the oldest student?
Five people are standing in a line: Alex, Brian, Charlie, David, and Eva. Alex is to the left of Brian but to the right of Charlie. David is to the right of Eva. Who is standing in the middle?
In a group of five friends: Alice, Bob, Charlie, David, and Eve, Alice is a teacher, Bob is a doctor, Charlie is an engineer, David is a lawyer, and Eve is a nurse. Which of the following pairs belong to the same profession?