A cloudy sky above a busy city street.
The sky is very bright blue.
THE SKY IS CLOUDY, IT CAN'T BE BRIGHT BLUE.
exists s1 s2 x1 x2 x3.(a_topic(x1) & above(x1,x2) & n_street(x2) & of(x2,x3) & n_city(x3) & a_busy(s2) & Theme(s2,x2) & n_sky(x1) & a_cloudy(s1) & Theme(s1,x1))
exists s1 x1 x2.(n_sky(x1) & r_very(s1) & Time(s1,x2) & n_blue(x2) & Theme(s1,x1) & a_bright(s1))