People are working on computers in an office with gray carpet and white walls.
The people are white.
Not all people who work on computers are white.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6.(with(e1,x4) & subset_of(x6,x4) & n_wall(x6) & a_white(s2) & Theme(s2,x6) & subset_of(x5,x4) & n_carpet(x5) & a_gray(s1) & Theme(s1,x5) & in(e1,x3) & n_office(x3) & on(e1,x2) & n_computer(x2) & Actor(e1,x1) & v_work(e1) & n_people(x1))
exists s1 x1.(n_people(x1) & Theme(s1,x1) & a_white(s1))