A low shot of a busy sidewalk.
There are many clouds.
There can either be a sidewalk or clouds.
exists s1 s2 x1 x2.(a_topic(x1) & of(x1,x2) & n_sidewalk(x2) & a_busy(s2) & Theme(s2,x2) & n_shot(x1) & a_low(s1) & Theme(s1,x1))
exists p1 x1 x2.((x1 = x2) & n_cloud(x2) & n_quantity(x2))