A man sitting up high in the air on a cliff.
An old man getting ready to jump off a cliff.
A man can be any age, not necessarily old, and just because he is on a cliff does not mean he is planning to jump.
exists e1 s1 s2 x1 x2 x3 x4.(n_air(x3) & a_topic(x1) & on(e1,x4) & n_cliff(x4) & in(e1,x3) & a_high(s2) & Manner(e1,s2) & a_up(s1) & Manner(e1,s1) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_man(x1))
exists e1 p1 s1 x1 x2.(a_topic(x1) & exists p2 s2.(Topic(s2,p2) & Actor(s2,x2) & a_ready(s2) & exists e2 s3 x3.(a_off(s3) & Manner(e2,s3) & Theme(e2,x3) & Actor(e2,x2) & v_jump(e2) & n_cliff(x3))) & Topic(e1,p1) & Actor(e1,x2) & v_get(e1) & (x1 = x2) & n_man(x1) & a_old(s1) & Theme(s1,x1))