The sky is blue
This photo was taken outside.
It's a photo of the sky.
exists s1 x1.(n_sky(x1) & Theme(s1,x1) & a_blue(s1))
exists e1 s1 x1.(n_photo(x1) & a_outside(s1) & Manner(e1,s1) & Theme(e1,x1) & v_take(e1))