A man standing in front of several people talking.
A man saw his friends.
Talking to a group of people does not mean that man saw his friends.
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(x1) & in(x1,x3) & of(x3,x4) & Actor(e1,x5) & v_talk(e1) & (x4 = x5) & n_people(x4) & a_several(s1) & Theme(s1,x4) & n_front(x3) & n_standing(x1) & of(x1,x2) & n_man(x2))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_see(e1) & n_friend(x2) & of(x2,x1) & n_male(x1) & n_man(x1))