A group of girls are cheering.
A group of girls are at a sporting event.
Girls can be cheering without being at a sporting event, for example, at a movie or a concert.
exists e1 x1 x2.(Actor(e1,x1) & v_cheer(e1) & of(x1,x2) & n_girl(x2) & n_group(x1))
exists p1 x1 x2.(exists s1 x3.(at(x1,x3) & n_event(x3) & a_sporting(s1) & Theme(s1,x3)) & of(x1,x2) & n_girl(x2) & n_group(x1))