A little girl wearing a princess Halloween costume.
The little girl is wearing an Elmo costume.
The Halloween costume is either a princess or an elmo costume.
exists e1 s1 s2 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_costume(x3) & (x3 = x4) & ne_geo_halloween(x4) & a_princess(s2) & Theme(s2,x3) & (x1 = x2) & n_girl(x1) & a_little(s1) & Theme(s1,x1))
exists e1 s1 x1 x2 x3.(n_girl(x1) & a_little(s1) & Theme(s1,x1) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_costume(x2) & (x2 = x3) & ne_org_elmo(x3))