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 a housewife, D is a student, E is a nurse, and F is a lawyer. Who is the male doctor?
A, B, C, D, and E are five students who scored different marks in an exam. A scored more than B but less than C. D scored less than E but more than A. Who scored the highest?