The dogs are in the field playing.
dogs are eating food on street
If the dogs are in the field playing then they cannot also be eating food on the street.
exists p1 x1 x2 x3.(n_playing(x2) & of(x2,x3) & n_field(x3) & n_dog(x1) & in(x1,x2))
exists e1 x1 x2 x3.(on(e1,x3) & n_street(x3) & Theme(e1,x2) & Actor(e1,x1) & v_eat(e1) & n_food(x2) & n_dog(x1))