A man taking a photograph, holding a postcard
The man is on vacation.
Just because a man is taking a picture while holding a postcard does not mean that he is on vacation.
exists e1 e2 x1 x2 x3 x4.(a_topic(x1) & for(e1,e2) & Theme(e2,x4) & Actor(e2,x2) & v_hold(e2) & n_postcard(x4) & Theme(e1,x3) & Actor(e1,x2) & v_take(e1) & n_photograph(x3) & (x1 = x2) & n_man(x1))
exists p1 x1.(n_man(x1) & exists x2.(on(x1,x2) & n_vacation(x2)))