Someone is standing on a long bridge with a cloudy blue sky in the background.
A man is on the bridge.
Do not know if the person is a man.
exists e1 s1 s2 s3 x1 x2 x3 x4.(n_background(x4) & with(e1,x3) & in(x3,x4) & n_sky(x3) & a_blue(s3) & Theme(s3,x3) & a_cloudy(s2) & Theme(s2,x3) & on(e1,x2) & n_bridge(x2) & a_long(s1) & Theme(s1,x2) & Actor(e1,x1) & v_stand(e1) & n_person(x1))
exists p1 x1 x2.(n_bridge(x2) & on(x1,x2) & n_man(x1))