In a cooking competition, the following events occurred: Chef X started cooking before Chef Y, Chef Z finished after Chef X, and Chef Y finished before Chef Z. What is the correct sequence of finishing?
Five tasks P, Q, R, S, and T need to be completed. Task P must be done before Q and R. Task S must be done after R but before T. What is the correct order of tasks?
In a race, five runners P, Q, R, S, and T finished in the following order: R finished before S but after P. Q finished before T. What is the correct sequence of their finishing?