A group of three people are talking.
People are talking in a group.
A group of people talking means that people are talking in a group
exists e1 x1 x2.(Actor(e1,x1) & v_talk(e1) & of(x1,x2) & n_people(x2) & card_eq_3(x2) & n_group(x1))
exists e1 x1 x2.(in(e1,x2) & n_group(x2) & Actor(e1,x1) & v_talk(e1) & n_people(x1))