In a group of vehicles: a car, a bicycle, a bus, a motorcycle, and a truck, which vehicle is primarily human-powered?

B. BICYCLE

A, B, C, D, and E are seated in a row. A is to the left of C, and D is to the right of C. E is not next to A. Who is sitting at the extreme right?

C. D

In a race, John finishes before Alice, but after Mike. Sarah finishes after Alice. What is the correct order of finishers from first to last?

A. MIKE, JOHN, ALICE, SARAH

Five books are arranged on a shelf: A, B, C, D, and E. A is to the left of B but to the right of C. D is to the right of E but to the left of A. Which book is in the middle?

D. D

Five books are arranged on a shelf. Book A is to the left of Book B, and Book C is to the right of Book D. Book E is to the right of Book A but to the left of Book B. What is the order of the books from left to right?

D. D, A, E, B, C