A man trying to decipher a map.
A man is lost.
Not every man who tries to decipher a map is lost. He could know where he is, but is trying to find the best route.
exists e1 p1 x1 x2.(a_topic(x1) & Topic(e1,p1) & Actor(e1,x2) & v_try(e1) & exists e2 x3.(Theme(e2,x3) & Actor(e2,x2) & v_decipher(e2) & n_map(x3)) & (x1 = x2) & n_man(x1))
exists e1 x1.(Theme(e1,x1) & v_lose(e1) & n_man(x1))