A group of five teenage Boy Scouts are standing on stage.
Only girls can join boy scouts.
A boy can not be a girl
exists e1 x1 x2 x3 x4 x5.(ne_org_scouts(x2) & (x2 = x4) & ne_org_boy(x4) & of(x2,x3) & n_teenage(x3) & card_eq_5(x2) & on(e1,x5) & n_stage(x5) & Actor(e1,x1) & v_stand(e1) & of(x1,x2) & n_group(x1))
exists e1 p1 x1.(exists e2 x3 x4.(Theme(e2,x3) & Actor(e2,x1) & v_join(e2) & n_scout(x3) & of(x3,x4) & n_boy(x4)) & Topic(e1,p1) & Actor(e1,x1) & v_can(e1) & all x2.(n_girl(x2) -> (x1 = x2)) & n_girl(x1))