People on a walking trail at dusk with a long bridge in the background.
The sun is setting on the people outside.
dusk is the time when the sun is setting
exists s1 x1 x2 x3 x4 x5 x6.(n_background(x6) & a_topic(x1) & with(x1,x5) & in(x5,x6) & n_bridge(x5) & a_long(s1) & Theme(s1,x5) & at(x1,x4) & n_dusk(x4) & on(x1,x2) & n_trail(x2) & of(x2,x3) & n_walking(x3) & n_people(x1))
exists e1 s1 x1 x2 x3.(n_people(x2) & n_sun(x1) & on(e1,x2) & Theme(s1,x3) & a_outside(s1) & (x2 = x3) & Actor(e1,x1) & v_set(e1))