Group of adults sitting in a circle at a meeting.
Some people are at a meeting.
a group of adults would be some people
exists e1 s1 x1 x2 x3 x4.(ne_org_group(s1) & a_topic(s1) & of(s1,x1) & at(e1,x4) & n_meeting(x4) & in(e1,x3) & n_circle(x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_adult(x1))
exists p1 x1.(exists x2.(at(x1,x2) & n_meeting(x2)) & n_people(x1))