A little boy pushing his tricycle towards balls lying in the grass.
The boy is going down the slide.
you cant push a tricycle and go down a slide at the same time.
exists e2 e1 s1 x1 x2 x3 x4 x5 x6.(n_grass(x6) & a_topic(x1) & towards(e1,x4) & in(e2,x6) & Actor(e2,x5) & v_lie(e2) & (x4 = x5) & n_ball(x4) & Theme(e1,x3) & Actor(e1,x2) & v_push(e1) & n_tricycle(x3) & of(x3,x1) & n_male(x1) & (x1 = x2) & n_boy(x1) & a_little(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(n_slide(x2) & n_boy(x1) & a_down(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_go(e1))