A family consists of a father, a mother, and three children: X, Y, and Z. The mother is a teacher, and the father is an engineer. If X is the eldest child and is studying medicine, what is Y's potential profession if Y is interested in arts?
In a group of five friends: A, B, C, D, and E, the following conditions apply: A is taller than B but shorter than C. D is shorter than E but taller than A. Who is the tallest among them?
In a family, R is the grandfather of T. T has one brother U and one sister V. If R has two sons, one of whom is the father of T, what is U's relationship to R?
There are four boxes labeled X, Y, Z, and W. The following conditions are given: Box X contains more items than Box Y. Box Z contains fewer items than Box W. Which box contains the least items?