Answer:
Sally, Lisa, and Bernadette are triplets. But Sally and Lisa share something that Bernandette does not. What is it?
What is seen in the water and in the sky? It is part of the rainbow and can be in your eye
The main difference between us and zombies
A king wears one on his head.
A tower at the root of all confusion.
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.