A group of people with name tags sitting down in some chairs.
There is a group of people at a home school convention.
Not every group of people sitting down are at a convention, not all people are home schooled.
exists e1 s1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & in(e1,x6) & n_chair(x6) & a_down(s1) & Manner(e1,s1) & Actor(e1,x5) & v_sit(e1) & (x1 = x5) & of(x1,x2) & with(x2,x3) & n_tag(x3) & of(x3,x4) & n_name(x4) & n_people(x2) & n_group(x1))
exists p1 x1 x2 x3 x4 x5 x6.((x1 = x2) & at(x2,x4) & n_convention(x4) & of(x4,x6) & n_school(x6) & of(x4,x5) & n_home(x5) & of(x2,x3) & n_people(x3) & n_group(x2))