Man in a black sweater sitting on a mountainside.
The man is sitting down
Although the man is sitting, it does not imply he is sitting down.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & in(x1,x2) & on(e1,x4) & n_mountainside(x4) & Actor(e1,x3) & v_sit(e1) & (x2 = x3) & n_sweater(x2) & a_black(s1) & Theme(s1,x2) & n_man(x1))
exists e1 s1 x1.(n_man(x1) & a_down(s1) & Manner(e1,s1) & Actor(e1,x1) & v_sit(e1))