This is Dog.

Dog is in his house. Dog is sitting in his house.

Then someone knocks on the door.

Dog opens the door.

Dog sees someone yellow!

Dog asks, "Who are you?"

It is Cat. Cat is yellow.

Cat's head is yellow. Cat's hair is yellow.

Cat's arms are yellow. Cat's hands are yellow.

Cat's mouth is yellow. Cat's nose is yellow.

Cat's ears are yellow. Cat's eyes are yellow.

Dog asks, "Why are you yellow?"

Cat says, "I do not know."

Dog asks, "Where were you?"

Cat says, "I was at the school."

Dog asks, "Which school?"

Cat says, "I was at the school in the village."

Dog asks, "When were you at school?"

Cat says, "I was at school this morning."

Dog asks, "What were you doing at school?"

Cat says, "I was sleeping."

Dog asks, "You were sleeping at school! Where were you sleeping?"

Cat says, "I was sleeping behind the school."

Dog thinks and Dog writes. He writes something.

Who: Cat
Where: behind the school
Which school: the school in the village
When: this morning
What: sleeping
Why: ?

Then Cat says, "I was not alone at school. There was someone else."

Dog asks, "Who else was at school?"

Cat says, "Elephant was at school."

Dog asks, "What was Elephant doing?"

Cat says, "Elephant was painting."

Dog says, "What was elephant painting?"

Cat says, "Elephant was painting the school."

Dog says, "How was Elephant painting the school?"

Cat says, "Elephant was painting the school with a big brush..."

Cat says nothing. Cat thinks.

Then he says, "Now I know why I am yellow!"

Cat and Dog walk to the school.

Elephant is painting the school.

Elephant is painting the school yellow.

Elephant painted everything.

Not only the school, but Elephant also painted Cat!

Bye bye yellow Cat.

Bye bye Dog.

Bye bye Elephant.