A man sitting down talking on a cellphone.
A man is sitting down
If there is a man sitting down, the man is sitting down.
exists e1 e2 s1 x1 x2 x3.(a_topic(x1) & for(e1,e2) & on(e2,x3) & n_cellphone(x3) & Actor(e2,x2) & v_talk(e2) & a_down(s1) & Manner(e1,s1) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_man(x1))
exists e1 s1 x1.(a_down(s1) & Manner(e1,s1) & Actor(e1,x1) & v_sit(e1) & n_man(x1))