Two people sitting in hats and shades.
Two people are sitting naked.
One can not  be naked while wearing hats and shades.
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & in(e1,x3) & subset_of(x5,x3) & n_shades(x5) & subset_of(x4,x3) & n_hat(x4) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_people(x1) & card_eq_2(x1))
exists e1 p1 x1.(exists s1.(Theme(s1,x1) & a_naked(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_sit(e1) & n_people(x1) & card_eq_2(x1))