Three people wearing costumes are standing around talking.
The group is at their mother's Halloween party.
Just because three people wearing costumes are standing around talking does not indicate that they are at their mother's Halloween party
exists e2 e3 e1 x1 x2 x3.(around(e2,e3) & Actor(e3,x1) & v_talk(e3) & Actor(e2,x1) & v_stand(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_costume(x3) & (x1 = x2) & n_people(x1) & card_eq_3(x1))
exists p1 x1 x2 x3 x4.(n_party(x3) & (x3 = x4) & ne_org_halloween(x4) & of(x3,x2) & n_mother(x2) & of(x2,x1) & n_thing(x1) & n_group(x1) & at(x1,x3))