Boy scouts are on a stage performing a skit.
Boy scout are performing a skit for charity.
You can not infer they are performing.
exists e1 p1 x1 x2 x3.(for(p1,e1) & Theme(e1,x3) & Actor(e1,x1) & v_perform(e1) & n_skit(x3) & exists x4.(on(x1,x4) & n_stage(x4)) & n_scout(x1) & (x1 = x2) & ne_nam_boy(x2))
exists e1 x1 x2 x3 x4.(for(e1,x4) & n_charity(x4) & Theme(e1,x3) & Actor(e1,x1) & v_perform(e1) & n_skit(x3) & n_scout(x1) & (x1 = x2) & ne_nam_boy(x2))