A boy lies across gates stacked against each other in a park.
A homeless boy is sleeping on stacked gates.
A boy may or may not be homeless, and lies does not mean sleeping.
exists e1 e2 x1 x2 x3 x4.(across(e1,x2) & in(e2,x4) & n_park(x4) & all x5.(n_other(x5) -> against(e2,x5)) & Theme(e2,x3) & v_stack(e2) & (x2 = x3) & n_gate(x2) & Actor(e1,x1) & v_lie(e1) & n_boy(x1))
exists e1 s1 s2 x1 x2.(on(e1,x2) & n_gate(x2) & a_stacked(s2) & Theme(s2,x2) & Actor(e1,x1) & v_sleep(e1) & n_boy(x1) & a_homeless(s1) & Theme(s1,x1))