A man is putting up a poster in front of a shop.
The man is taking down the poster.
Putting up and taking down are opposites.
exists e1 s1 x1 x2 x3 x4.(a_up(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_put(e1) & in(x2,x3) & of(x3,x4) & n_shop(x4) & n_front(x3) & n_poster(x2) & n_man(x1))
exists e1 s1 x1 x2.(n_poster(x2) & n_man(x1) & a_down(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_take(e1))