Two men sitting and talking to each other.
Two guys are seated and chatting.
Two men are two guys, and talking is a synonym for chatting.
exists e1 e2 x1 x2 x3.(a_topic(x1) & all x4.(n_other(x4) -> to(e2,x4)) & Actor(e2,x3) & v_talk(e2) & (x1 = x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_man(x1) & card_eq_2(x1))
exists e1 s1 x1 x2 x3.(a_topic(s1) & subset_of(x3,s1) & n_chatting(x3) & subset_of(x1,s1) & Theme(e1,x2) & v_seat(e1) & (x1 = x2) & n_guy(x1) & card_eq_2(x1))