Answer:
Sally, Lisa, and Bernadette are triplets. But Sally and Lisa share something that Bernandette does not. What is it?
When will water stop running down hill?
It's been around for millions of years, but it's no more than a month old. What is it?
What ends in E, starts with E and has a letter inside it?
A tasty reward given to well behaved dogs and kids
Cycle Cycle Cycle.
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?