premise: Workers standing on a lift.
hypothesis: Workers stand on a lift
explanation_1: People are standing on a lift.
explanation_2: Two sentences are virtually identical.  Workers standing is the same action as workers stand.
explanation_3: Workers stand is a rephrasing of worker standing.
premise_logic: exists e1 x1 x2.(on(e1,x2) & n_lift(x2) & Actor(e1,x1) & v_stand(e1) & n_worker(x1))
hypothesis_logic: exists e1 x1 x2.(on(e1,x2) & n_lift(x2) & Actor(e1,x1) & v_stand(e1) & n_worker(x1))
premise_sim: exists e1 x1 x2.(v_stand(e1) & on(e1,x2) & n_worker(x1) & n_lift(x2) & Actor(e1,x1))
hypothesis_sim: exists e1 x1 x2.(v_stand(e1) & on(e1,x2) & n_worker(x1) & n_lift(x2) & Actor(e1,x1))