A walk on the beach after a storm.
Most of the sand is wet.
THE SAND IS WET BECAUSE OF THE STORM.
exists x1 x2 x3.(n_beach(x2) & a_topic(x1) & on(x1,x2) & after(x2,x3) & n_storm(x3) & n_walk(x1))
exists s1 x1 x2.(n_sand(x2) & Theme(s1,x1) & a_wet(s1) & of(x1,x2) & n_most(x1))