A man alone on a gravely beach.
There is a man on the beach.
gravely beach is just a beach
exists s1 x1 x2.(a_topic(x1) & on(x1,x2) & n_beach(x2) & a_gravely(s1) & Theme(s1,x2) & r_alone(x1) & n_man(x1))
exists p1 x1 x3.(n_beach(x3) & exists x2.((x1 = x2) & on(x2,x3) & n_man(x2)))