a beautiful arrangement of flowers with a man cutting hair in the background
The flower arrangement has roses in it.
the flower arrangement does not necessarily have roses in it
exists e1 s1 x1 x2 x3 x4 x5 x6.(n_background(x6) & a_topic(x1) & of(x1,x2) & with(x2,x3) & in(e1,x6) & Theme(e1,x5) & Actor(e1,x4) & v_cut(e1) & n_hair(x5) & (x3 = x4) & n_man(x3) & n_flower(x2) & n_arrangement(x1) & a_beautiful(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(n_thing(x1) & n_arrangement(x1) & of(x1,x2) & n_flower(x2) & Theme(e1,x3) & Actor(e1,x1) & v_have(e1) & in(x3,x1) & n_rose(x3))