In a class, there are three types of students: A, B, and C. Type A students are good at mathematics, Type B students are good at science, and Type C students are good at literature. If John is a Type A student and Sarah is a Type B student, which of the following statements is true?
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?
There are three types of fruits: apples, bananas, and cherries. Apples are red, bananas are yellow, and cherries are red. Which of the following is true?
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?