Three men sitting a cement bench and a brick wall behind them.
Four boys are waiting for their parents on a school bench
can only be either 3 men or four boys
exists e1 s1 x1 x2 x3 x4 x5 x6.(a_topic(s1) & subset_of(x5,s1) & behind(x5,x1) & n_thing(x1) & n_wall(x5) & of(x5,x6) & n_brick(x6) & subset_of(x1,s1) & n_bench(x3) & of(x3,x4) & n_cement(x4) & Time(e1,x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_man(x1) & card_eq_3(x1))
exists e1 x1 x2 x3 x4.(on(e1,x3) & n_bench(x3) & of(x3,x4) & n_school(x4) & for(e1,x2) & n_parent(x2) & of(x2,x1) & n_thing(x1) & Actor(e1,x1) & v_wait(e1) & n_boy(x1) & card_eq_4(x1))