A group of friends discussing what to do at the event.
The group friends were at a political rally.
The event may not be a political rally.
exists x1 x2 x3 x6.(n_event(x6) & a_topic(x1) & exists e1 p1 x4.(n_thing(x4) & Theme(e1,x4) & Actor(e1,x3) & v_discuss(e1) & exists e2 x5.(at(e2,x6) & Theme(e2,x4) & Actor(e2,x5) & v_do(e2) & n_thing(x5))) & (x1 = x3) & of(x1,x2) & n_friend(x2) & n_group(x1))
exists p1 x1 x2.(n_friend(x1) & of(x1,x2) & n_group(x2) & exists s1 x3.(at(x1,x3) & n_rally(x3) & a_political(s1) & Theme(s1,x3)))