A dog runs on the beach.
A dog runs.
A beach is a place where a dog runs. It is a less detailed rephrase of "a dog runs on the beach."
exists e1 x1 x2.(n_beach(x2) & on(e1,x2) & Actor(e1,x1) & v_run(e1) & n_dog(x1))
exists e1 x1.(Actor(e1,x1) & v_run(e1) & n_dog(x1))