A crowd of people.
There are many people standing near each other.
A crowd of people is many people standing near each other.
exists x1 x2.(a_topic(x1) & of(x1,x2) & n_people(x2) & n_crowd(x1))
exists p1 x1 e1 x2 x3.((x1 = x2) & all x4.(n_other(x4) -> near(e1,x4)) & Actor(e1,x3) & v_stand(e1) & (x2 = x3) & n_people(x2) & n_quantity(x2))