Two girls are in pajama pants and appear to be dancing.
A couple of girls are in a bedroom dancing.
Just because two girls are dancing in pajamas you cannot assume they are in a bedroom.
exists e1 p1 p2 x1 x2.(Topic(e1,p2) & Actor(e1,x2) & v_appear(e1) & exists e2.(Actor(e2,x2) & v_dance(e2)) & n_girl(x2) & card_eq_2(x2) & exists x3 x4.(in(x1,x3) & n_pants(x3) & of(x3,x4) & n_pajama(x4)) & n_girl(x1) & card_eq_2(x1))
exists p1 x1 x2.(exists x3 x4.(in(x1,x3) & n_dancing(x3) & of(x3,x4) & n_bedroom(x4)) & of(x1,x2) & n_girl(x2) & n_couple(x1))