A person in a white sweatshirt sits on a ladder.
The person is sitting down.
The person sitting down is sitting on a ladder.
exists e1 s1 x1 x2 x3.(on(e1,x3) & n_ladder(x3) & Actor(e1,x1) & v_sit(e1) & in(x1,x2) & n_sweatshirt(x2) & a_white(s1) & Theme(s1,x2) & n_person(x1))
exists e1 s1 x1.(n_person(x1) & a_down(s1) & Manner(e1,s1) & Actor(e1,x1) & v_sit(e1))