Two men are having a conversation.
Two men talk with one another.
To talk with one another is having a conversation.
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_conversation(x2) & n_man(x1) & card_eq_2(x1))
exists e1 s1 x1 x2.(with(e1,x2) & n_thing(x2) & card_eq_1(x2) & a_another(s1) & Theme(s1,x2) & Actor(e1,x1) & v_talk(e1) & n_man(x1) & card_eq_2(x1))