Five tasks P, Q, R, S, and T need to be completed. Task P must be completed before Q, and R must be completed before S. Task T can be done at any time. What is a possible sequence of completing the tasks?

D. P, R, Q, S, T

In a race, five participants A, B, C, D, and E finish in the following order: A finishes before C but after B. D finishes before E but after A. What is the order of finishers?

A. B, A, C, D, E

Four friends, A, B, C, and D, went to a party. A arrived before B but after C. D arrived after B. What is the correct order of arrival?

A. C, A, B, D

In a race, John finished before Mike but after Sarah. Tom finished after Mike. What is the correct order of finishing?

A. SARAH, JOHN, MIKE, TOM

In a book club, Emily read her book before Frank but after Grace. Henry read his book last. What is the correct order of reading?

A. GRACE, EMILY, FRANK, HENRY