There's a Crocodile In Our Pool

There is a crocodile in our swimming pool.Mum says I must learn to swim.I can't learn to swim with a crocodile in our swimming pool.Dad says I should close my eyes and just jump in.He can't see the crocodile.But it's there because I can see it.The crocodile moves around the bottom of the pool with a long tail.It has big teeth and it makes a grumbling noise.