In a class of students: John, Sarah, Mike, and Lisa, John is older than Sarah but younger than Mike. Lisa is younger than Mike but older than Sarah. Who is the youngest student?
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?