A man alone on a gravely beach.
The man is on a beach.
A gravely beach is still 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.(n_man(x1) & exists x2.(on(x1,x2) & n_beach(x2)))