15. The names of the seven dwarves are Doc, Grumpy, Happy, Sleepy, Bashful, Sneezy, Dopey. What is the name of the tallest one in their house?
16. What walks on four legs in the morning, two legs in the afternoon, and three legs at night?
Humans, who crawl in their infancy, walk in their prime, and lean on a cane in old age.