People on and near a bridge watching a sunset.
People are watching something.
Sunset is the ''something'' that people are referred to watching
exists e1 e2 x1 x2 x3 x4 x5 x6.(Theme(e2,x6) & Actor(e2,x4) & v_watch(e2) & n_sunset(x6) & near(x4,x5) & n_bridge(x5) & n_people(x4) & Theme(e1,x3) & Actor(e1,x1) & v_watch(e1) & n_sunset(x3) & on(x1,x2) & n_bridge(x2) & n_people(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & n_thing(x2) & n_people(x1))