A man sits on some steps at a flee market.
There is a man on stairs at a market.
Steps refers to stairs.
exists e1 x1 x2 x3 x4.(at(e1,x3) & n_market(x3) & of(x3,x4) & n_flee(x4) & on(e1,x2) & n_step(x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1))
exists p1 x1 x2 x3 x4.((x1 = x2) & on(x2,x3) & at(x3,x4) & n_market(x4) & n_stair(x3) & n_man(x2))