A family has a grandmother, a mother, and two daughters. The grandmother's name is E, the mother's name is F, and the daughters are named G and H. If G is older than H, who is the youngest in the family?
Five students: X, Y, Z, W, and V, have different hobbies: painting, dancing, singing, reading, and writing. X does not like dancing or singing. Y likes reading. Z does not like writing. What hobby does W have?