A dog is walking on the sand and people are all over the beach.
The dog is playing fetch in the garden
A beach isn't a garden.
exists e1 p1 x1 x2 x3 x4.(n_beach(x4) & n_sand(x2) & r_all(x3) & over(x3,x4) & n_people(x3) & on(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_dog(x1))
exists e1 x1 x2 x3.(n_garden(x3) & n_dog(x1) & in(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_fetch(x2))