A man is painting beside a building.
the girls are playing on the lawn
A man is not the same as girls and painting is not playing.
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_paint(e1) & r_beside(x2) & n_building(x2) & n_man(x1))
exists e1 x1 x2.(n_lawn(x2) & n_girl(x1) & on(e1,x2) & Actor(e1,x1) & v_play(e1))