A cheerleading competition and the black squad is making a pyramid.
The cheerleaders are competing.
Competing can be done by making a pyramid.
exists e2 e1 s1 x1 x2 x3 x4.(n_squad(x3) & a_black(s1) & Theme(s1,x3) & Theme(e2,x4) & Actor(e2,x1) & v_make(e2) & n_pyramid(x4) & subset_of(x3,x1) & subset_of(x2,x1) & n_competition(x2) & Actor(e1,x2) & v_cheerlead(e1))
exists e1 x1.(n_cheerleader(x1) & Actor(e1,x1) & v_compete(e1))