The man is on a bike and sitting in front of the sunset.
The man is looking at the sunset while sitting on his bicycle.
The man is sitting on his bicycle while looking at the sunset.
exists p1 x1 x6.(n_sunset(x6) & n_man(x1) & exists e1 x2 x3 x4 x5.(on(x1,x2) & subset_of(e1,x2) & in(e1,x5) & of(x5,x6) & n_front(x5) & Actor(e1,x4) & v_sit(e1) & n_thing(x4) & subset_of(x3,x2) & n_bike(x3)))
exists e2 e1 x1 x2 x3.(n_bicycle(x3) & of(x3,x2) & n_male(x2) & n_sunset(x2) & n_man(x1) & while(e1,e2) & on(e2,x3) & Actor(e2,x1) & v_sit(e2) & at(e1,x2) & Actor(e1,x1) & v_look(e1))