A group of people are having an official meeting.
there is a meeting going on
An official meeting has been held which is currently attending by a group of people.
exists e1 s1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_have(e1) & n_meeting(x3) & a_official(s1) & Theme(s1,x3) & of(x1,x2) & n_people(x2) & n_group(x1))
exists p1 x1 e1 s1 x2 x3.((x1 = x2) & a_on(s1) & Manner(e1,s1) & Actor(e1,x3) & v_go(e1) & (x2 = x3) & n_meeting(x2))