Three people are painting a large post.
The people are shopping at the mall.
People do not paint at the mall.  The people are either shopping or painting.
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_paint(e1) & n_post(x2) & a_large(s1) & Theme(s1,x2) & n_people(x1) & card_eq_3(x1))
exists e1 x1 x2.(n_mall(x2) & n_people(x1) & at(e1,x2) & Actor(e1,x1) & v_shop(e1))