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 family, there are four members: a father, a mother, a son, and a daughter. The father is older than the mother, the mother is older than the son, and the son is older than the daughter. Who is the youngest in the family?
Five colors are arranged: Red, Blue, Green, Yellow, and Orange. Red is not next to Blue. Green is next to Yellow but not next to Orange. Which color is in the second position?
In a family of six members A, B, C, D, E, and F, there are two males and four females. A is a teacher, B is a doctor, C is the mother of D, D is the son of E, and F is the sister of A. How many males are there in the family?