premise: City workers are working on the subway.
hypothesis: people outside
explanation_1: City workers provides specificity that people does not, therefore, the sentences are contradictory.
premise_logic: exists e1 x1 x2 x3.(n_subway(x3) & on(e1,x3) & Actor(e1,x1) & v_work(e1) & n_worker(x1) & (x1 = x2) & ne_geo_city(x2))
hypothesis_logic: exists s1 x1 x2.(a_topic(x1) & Theme(s1,x2) & a_outside(s1) & (x1 = x2) & n_people(x1))
premise_sim: exists e1 x1 x2 x3.(v_work(e1) & on(e1,x3) & ne_geo_city(x2) & n_worker(x1) & n_subway(x3) & Actor(e1,x1) & (x1 = x2))
hypothesis_sim: exists s1 x1 x2.(n_people(x1) & a_topic(x1) & a_outside(s1) & Theme(s1,x2) & (x1 = x2))