Two men sitting in chairs while waiting.
two friends discussing their days
Not all men sitting in chairs are discussing something.
exists e1 e2 x1 x2 x3.(a_topic(x1) & while(e1,e2) & Actor(e2,x2) & v_wait(e2) & in(e1,x3) & n_chair(x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_man(x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_discuss(e1) & n_day(x3) & of(x3,x1) & n_thing(x1) & (x1 = x2) & n_friend(x1) & card_eq_2(x1))