A boy named Yes lived in a small kingdom. He had a brother named No. No was different from Yes, and he wasn't good at anything.
One day, Yes and No's father, Okay, asked his two sons to take it in turns to look after his animals. Yes did his job very well, but No felt bored with it. He just lay down and forgot about the animals. When the animals ran on the road, the King's carriage was passing by. He fell off the carriage and hurt himself.
The King was very angry. He ordered Yes and No to work for him as punishment. Soon he found that Yes was helpful. However, every time he asked No to do something, he always messed it up.
One day, the King decided to have a big party. The first cook said, "I bring my apple pie for the party." The King thought that apple pie would be delicious, so he asked Yes to get it. The next cook said, "I offer the King chicken soup." The King didn't like it. "No!" he shouted. Then No dropped the soup before the King could even smell it.
Soon this started catching on around the kingdom. If people liked something, they would say "Yes". If they didn't want anything, they would say "No". Ever since, Yes has meant yes, and No has meant no in the kingdom.