That's basically a mathematical proposition, which I have translated into English in this column.
I've written out the mathematical proposition in English that's easier to understand.
I've reproduced the mathematical proposition in its original state.
A cyclist has fallen off his bike.
A dog is running in circles.
The man is litterally dancing on water.
The cop was a young man.
The lady and her puppy are walking at the park.
Girls are talking on the phone.