A older man with a confused look.
An older man is lost in a strange city.
A man with a confused look does not imply the man is lost.
exists s1 s2 x1 x2.(a_topic(x1) & with(x1,x2) & n_look(x2) & a_confused(s2) & Theme(s2,x2) & n_man(x1) & r_more(s1) & a_older(s1) & Theme(s1,x1))
exists e1 s1 s2 x1 x2.(in(e1,x2) & n_city(x2) & a_strange(s2) & Theme(s2,x2) & Theme(e1,x1) & v_lose(e1) & n_man(x1) & r_more(s1) & a_older(s1) & Theme(s1,x1))