A child dressed in purple clothing and a hat runs in splashing water while a man and a small boy walk nearby.
a cat sleeps on the couch
A child is a different species than a cat.
A child is a person not a cat. Someone cannot sleep on the couch and run in splashing water at the same time.
A child, man, and small boy are not the same thing as a cat. One cannot sleep and run or walk at the same time. One would not walk or be splashing water on the couch.