The night sky in the desert.
The sky is bright in the desert
WE DON'T KNOW ITS BRIGHT.
exists x1 x2 x3.(n_desert(x3) & n_sky(x1) & of(x1,x2) & n_night(x2) & a_topic(x1) & in(x1,x3))
exists s1 x1 x2.(n_desert(x2) & n_sky(x1) & in(s1,x2) & Theme(s1,x1) & a_bright(s1))