Four friends, John, Mike, Sarah, and Lisa, have different heights. John is taller than Mike but shorter than Sarah. Lisa is shorter than Sarah. Who is the tallest?
In a circular arrangement, F is sitting opposite to G. H is sitting to the immediate right of F. If I is sitting to the left of G, who is sitting next to H?
In a family of six members A, B, C, D, E, and F, A is the father of B. C is the mother of B and D. E is the sister of B. F is the brother of D. How is E related to F?