Here is a picture of a people in a sports stadium.
The people are attending a football game.
People in a sports stadium are not necessarily attending a football game.
exists s1 x1 x2 x3 x4.(Theme(s1,x1) & a_here(s1) & of(x1,x2) & in(x2,x3) & n_stadium(x3) & of(x3,x4) & n_sport(x4) & n_people(x2) & n_picture(x1))
exists e1 x1 x2 x3.(n_people(x1) & Theme(e1,x2) & Actor(e1,x1) & v_attend(e1) & n_game(x2) & of(x2,x3) & n_football(x3))