A man doing clean up work of brush around a public area.
A park worker cleans up a park.
The man must not be a park worker and the public area must not be a park.
exists s1 s2 x1 x2 x3 x4 x5.(a_topic(x1) & around(s1,x5) & n_area(x5) & a_public(s2) & Theme(s2,x5) & up(s1,x3) & of(x3,x4) & n_brush(x4) & n_work(x3) & Theme(s1,x2) & a_clean(s1) & (x1 = x2) & n_man(x1))
exists e1 s1 x1 x2 x3.(a_up(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x1) & v_clean(e1) & n_park(x3) & n_worker(x1) & of(x1,x2) & n_park(x2))