A group of girls are cheering.
The cheerleaders are at a football game.
The cheerleaders could be at any athletic competition and not necessarily at a football game.
exists e1 x1 x2.(Actor(e1,x1) & v_cheer(e1) & of(x1,x2) & n_girl(x2) & n_group(x1))
exists p1 x1.(n_cheerleader(x1) & exists x2 x3.(at(x1,x2) & n_game(x2) & of(x2,x3) & n_football(x3)))