A boy pushing a miniature car on a lawn.
A boy pushes a miniature car on a lawn while waiting for his friend.
The fact that a boy a boy is pushing a miniature car on a lawn does not imply that he is also waiting for his friend.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & on(e1,x4) & n_lawn(x4) & Theme(e1,x3) & Actor(e1,x2) & v_push(e1) & n_car(x3) & a_miniature(s1) & Theme(s1,x3) & (x1 = x2) & n_boy(x1))
exists e2 e1 s1 x1 x2 x3 x4.(while(e1,e2) & for(e2,x4) & n_friend(x4) & of(x4,x1) & n_male(x1) & Actor(e2,x1) & v_wait(e2) & on(e1,x3) & n_lawn(x3) & Theme(e1,x2) & Actor(e1,x1) & v_push(e1) & n_car(x2) & a_miniature(s1) & Theme(s1,x2) & n_boy(x1))