Crowd gathers in birmingham with signage.
A small group of people are attending a pool party in California.
One cannot gather in Birmingham and in California simultaneously.
exists x1 x2 x3 x4.(a_topic(x1) & in(x1,x3) & with(x3,x4) & n_signage(x4) & n_birmingham(x3) & n_gather(x1) & (x1 = x2) & ne_nam_crowd(x2))
exists e1 s1 x1 x2 x3 x4 x5.(ne_geo_california(x5) & Theme(e1,x3) & Actor(e1,x1) & v_attend(e1) & in(x3,x5) & n_party(x3) & of(x3,x4) & n_pool(x4) & of(x1,x2) & n_people(x2) & n_group(x1) & a_small(s1) & Theme(s1,x1))