Two men are talking to each other.
Two guys are having a chat.
Guys is casual term for males and talking is the same concept as having a chat.
exists e1 x1.(all x2.(n_other(x2) -> to(e1,x2)) & Actor(e1,x1) & v_talk(e1) & n_man(x1) & card_eq_2(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_chat(x2) & n_guy(x1) & card_eq_2(x1))