Two men stop to talk near a sign outside.
The men are near a big red fire hydrant.
Fire hydrant is different than sign.
exists e1 p1 x1 x2 x3.(Topic(e1,p1) & exists e2 x4.(near(e2,x4) & n_sign(x4) & Actor(e2,x1) & v_talk(e2)) & Theme(e1,x3) & Actor(e1,x2) & v_stop(e1) & n_outside(x3) & n_man(x2) & card_eq_2(x2) & n_man(x1) & card_eq_2(x1))
exists p1 x1.(n_man(x1) & exists s1 s2 x2 x3.(near(x1,x2) & n_hydrant(x2) & of(x2,x3) & n_fire(x3) & a_red(s2) & Theme(s2,x2) & a_big(s1) & Theme(s1,x2)))