Five tasks P, Q, R, S, and T need to be completed. P must be done before Q and R. S must be done before T but after Q. What is the correct sequence of tasks?
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?
A set of fruits includes an apple, a banana, an orange, and a grape. The apple is red, the banana is yellow, the orange is orange, and the grape is purple. Which fruit is not yellow?
In a family, there are three siblings: Tom, Jerry, and Anna. Tom is older than Jerry but younger than Anna. If Anna is not the youngest, who is the middle sibling?