A crowd loiters near the start of a marathon.
A crowd watches a football game.
A football game is not a marathon.
exists e1 x1 x2 x3.(n_start(x2) & near(e1,x2) & of(x2,x3) & n_marathon(x3) & Actor(e1,x1) & v_loiter(e1) & n_crowd(x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & n_game(x2) & of(x2,x3) & n_football(x3) & n_crowd(x1))