A man sets up his video camera on field.
someone sets up a camera
If a man is setting up a video camera on a field, that is somewhat more information than that a person is just setting up a camera.
exists e1 s1 s2 x1 x2 x3.(a_up(s2) & Manner(e1,s2) & Theme(e1,x2) & Actor(e1,x1) & v_set(e1) & on(x2,x3) & n_field(x3) & n_camera(x2) & a_video(s1) & Theme(s1,x2) & of(x2,x1) & n_male(x1) & n_man(x1))
exists e1 s1 x1 x2.(a_up(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_set(e1) & n_camera(x2) & n_person(x1))