A man alone on a gravely beach.
The man was on the beach which was crowded.
being alone and crowded cannot be done together
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 x2.(n_beach(x2) & n_man(x1) & exists e1 x3.(on(x1,x2) & Theme(e1,x3) & v_crowd(e1) & (x2 = x3)))