Dancers perform in colorful outfits.
A dance team competes.
Just because dancers perform doesn't mean they are a team. Just because a dance team performs doesn't mean it competes.
exists e1 s1 x1 x2.(in(e1,x2) & n_outfit(x2) & a_colorful(s1) & Theme(s1,x2) & Actor(e1,x1) & v_perform(e1) & n_dancer(x1))
exists e1 x1 x2.(Actor(e1,x1) & v_compete(e1) & n_team(x1) & of(x1,x2) & n_dance(x2))