A boy walks with a soccer ball near a fence.
The boy is sitting on a chair.
A boy cannot sit in a chair while walking near a fence.
exists e1 x1 x2 x3 x4.(with(e1,x2) & near(x2,x4) & n_fence(x4) & n_ball(x2) & of(x2,x3) & n_soccer(x3) & Actor(e1,x1) & v_walk(e1) & n_boy(x1))
exists e1 x1 x2.(n_boy(x1) & on(e1,x2) & n_chair(x2) & Actor(e1,x1) & v_sit(e1))