Blue collar workers at a convention.
the workers are getting promoted
Just because there are blue collar workers at a convention, does not mean they are getting promoted.
exists s1 x1 x2 x3.(a_topic(x1) & at(x1,x3) & n_convention(x3) & n_worker(x1) & of(x1,x2) & n_collar(x2) & a_blue(s1) & Theme(s1,x1))
exists e1 p1 x1.(n_worker(x1) & exists e2.(Theme(e2,x1) & v_promote(e2)) & Topic(e1,p1) & Actor(e1,x1) & v_get(e1))