Three people wearing costumes are standing around talking.
Three people attending a Halloween party.
Three people wearing costumes are standing around talking does not imply that they are attending a 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 e1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_attend(e1) & n_party(x3) & (x3 = x4) & ne_org_halloween(x4) & (x1 = x2) & n_people(x1) & card_eq_3(x1))