A wet, brownish-red dog with an orange ball in his mouth is swimming in some water.
A dog is swimming.
A man is teaching a dog to sit.
The man is filling his gas tank at the pump.
If we are right then this is terrible!
We don't all agree on which are the exceptions.
A group of people are walking down the stairs.
A man is skiing down a mountain.
The man is surfing in the water.