Two men are sitting on white chairs.
a couple of guys standing around
Standing by definition is not sitting.
exists e1 s1 x1 x2.(on(e1,x2) & n_chair(x2) & a_white(s1) & Theme(s1,x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1) & card_eq_2(x1))
exists e1 s1 x1 x2 x3.(a_topic(x1) & of(x1,x2) & a_around(s1) & Manner(e1,s1) & Actor(e1,x3) & v_stand(e1) & (x2 = x3) & n_guy(x2) & n_couple(x1))