Crowd gathers in birmingham with signage.
People are going to protest injustice.
The people are not necessarily going to protest injustice, even though they have signs.
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 p1 x1.(Topic(e1,p1) & Actor(e1,x1) & v_go(e1) & exists e2 x2.(Theme(e2,x2) & Actor(e2,x1) & v_protest(e2) & n_injustice(x2)) & n_people(x1))