A man and a pelican on a boardwalk.
A man takes a picture of a bird.
Although they are both on the boardwalk, it does not imply the man takes a picture.
exists s1 x1 x2 x3.(a_topic(s1) & subset_of(x2,s1) & on(x2,x3) & n_boardwalk(x3) & n_pelican(x2) & subset_of(x1,s1) & n_man(x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_take(e1) & of(x2,x3) & n_bird(x3) & n_picture(x2) & n_man(x1))