This is cat. This is dog.
Cat and Dog look through the window. They look through the window.
Then Cat and Dog see a butterfly! The butterfly is pink.
Cat and Dog want to catch the butterfly. Cat and Dog follow the butterfly. They follow the butterfly.
Cat and Dog follow the butterfly by foot. They walk after the butterfly. But the butterfly is fast. The butterfly is too fast and Cat and Dog are slow. They are too slow.
