Two children facing each other are doing a dance.
Two children are sitting on the floor.
The two children are either doing a dance or sitting on the floor.
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_do(e1) & n_dance(x3) & all x4.(n_other(x4) -> exists e2.(Theme(e2,x4) & Actor(e2,x2) & v_face(e2))) & (x1 = x2) & n_child(x1) & card_eq_2(x1))
exists e1 x1 x2.(n_floor(x2) & on(e1,x2) & Actor(e1,x1) & v_sit(e1) & n_child(x1) & card_eq_2(x1))