People looking over the rail at something in the distance.
Something caught the attention of a crowd of people.
looking over doesn't mean it caught your attention
exists e1 x1 x2 x3 x4.(n_distance(x4) & n_rail(x2) & over(e1,x2) & at(x2,x3) & in(x3,x4) & n_thing(x3) & Actor(e1,x1) & v_look(e1) & n_people(x1))
exists e1 p1 x1 x2.(n_attention(x2) & exists e2 x3 x4.(Theme(e2,x2) & Actor(e2,x1) & v_catch(e2) & of(x2,x3) & of(x3,x4) & n_people(x4) & n_crowd(x3)) & Topic(e1,p1) & Actor(e1,x1) & v_something(e1) & n_thing(x1))