A group of three people are talking.
The group is talking about protesting.
they can be talking about anything not just protesting
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.(n_group(x1) & about(e1,x2) & n_protest(x2) & Actor(e1,x1) & v_talk(e1))