Beautiful blue sky and yellow flowers.
It is raining on lavender flowers.
the sky cant be blue if its raining
exists s1 s2 s3 s4 x1 x2 x3.(n_flower(x2) & a_yellow(s4) & Theme(s4,x2) & a_.(s3) & Theme(s3,x2) & n_sky(x1) & a_blue(s2) & Theme(s2,x1) & (x1 = x3) & ne_nam_beautiful(x3) & subset_of(x2,s1) & subset_of(x1,s1) & a_topic(s1))
exists e1 x1 x2.(on(e1,x1) & n_flower(x1) & of(x1,x2) & n_lavender(x2) & Actor(e1,x1) & v_rain(e1) & n_thing(x1))