During a cooking competition, the following events occurred: Chef X started cooking before Chef Y, Chef Z finished after Chef X, and Chef W started after Chef Y. What is the sequence of events?
Four friends, Lisa, Mark, John, and Sarah, are ranked based on their scores: Lisa scored higher than Mark but lower than John. Sarah scored the lowest. Who has the highest score?
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. D is the sister of B. E is the brother of B. F is the grandfather of B. Who is the grandmother of B?
Five books were read by a group of friends in a week. Book A was read before Book B, Book C was read after Book A, and Book D was read before Book E. What is the correct sequence of reading?