Three casually dressed Caucasians are sitting on a couch.
Everyone is standing.
People cannot be sitting and standing at the same time.
exists e2 e1 x1 x2.(on(e2,x2) & n_couch(x2) & Actor(e2,x1) & v_sit(e2) & n_caucasian(x1) & Theme(e1,x1) & v_dress(e1) & r_casually(x1) & card_eq_3(x1))
all x1.(n_person(x1) -> exists e1.(Actor(e1,x1) & v_stand(e1)))