Two men sit on a couch and talk.
Two men are standing and having an argument.
to talk is to have conversation whereas argument is defending on other's speech
exists e1 x1 x2 x3 x4.(on(e1,x2) & n_talk(x4) & n_couch(x3) & subset_of(x4,x2) & subset_of(x3,x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1) & card_eq_2(x1))
exists e2 e1 x1 x2 x3.(Theme(e2,x3) & Actor(e2,x2) & v_have(e2) & n_argument(x3) & n_man(x2) & card_eq_2(x2) & Actor(e1,x1) & v_stand(e1) & n_man(x1) & card_eq_2(x1))