Two people are dancing by a red couch.
Tall humans dancing
The people are not necessarily tall.
exists e1 s1 x1 x2.(by(e1,x2) & n_couch(x2) & a_red(s1) & Theme(s1,x2) & Actor(e1,x1) & v_dance(e1) & n_people(x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(a_topic(x1) & Actor(e1,x3) & v_dance(e1) & (x1 = x3) & n_human(x1) & (x1 = x2) & ne_nam_tall(x2))