A man climbing a rock wall
A person is climbing a rock wall.
None - all of the information is inferable.
exists e1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_climb(e1) & n_wall(x3) & of(x3,x4) & n_rock(x4) & (x1 = x2) & n_man(x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_climb(e1) & n_wall(x2) & of(x2,x3) & n_rock(x3) & n_person(x1))