A man prepares a billboard for display
A man is painting a message on a new billboard
Prepares does not imply painting.
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_prepare(e1) & for(x2,x3) & n_display(x3) & n_billboard(x2) & n_man(x1))
exists e1 s1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_paint(e1) & on(x2,x3) & n_billboard(x3) & a_new(s1) & Theme(s1,x3) & n_message(x2) & n_man(x1))