a beige dog running on the grass with a tennis ball in his mouth
Nobody is running
A beige dog running means that there is somebody/ something running.
exists e1 s1 x1 x2 x3 x4 x5 x6.(n_mouth(x6) & of(x6,x3) & n_male(x3) & n_grass(x3) & a_topic(x1) & in(e1,x6) & with(e1,x4) & n_ball(x4) & of(x4,x5) & n_tennis(x5) & on(e1,x3) & Actor(e1,x2) & v_run(e1) & (x1 = x2) & n_dog(x1) & a_beige(s1) & Theme(s1,x1))
-exists e1 x1.(Actor(e1,x1) & v_run(e1) & n_person(x1))