premise: railroad workers working on the tracks at nighttime
hypothesis: people on their last day of work
explanation_1: the time of day someone is working does not indicate how long that person worked there or that they are on their last day.
explanation_2: Nothing in the first sentence implies that this is the workers' last day.
explanation_3: Railroad workers are not assumed to be on their last day of work.
premise_logic: exists e1 x1 x2 x3 x4.(n_track(x3) & at(e1,x4) & n_nighttime(x4) & on(e1,x3) & Actor(e1,x1) & v_work(e1) & n_worker(x1) & of(x1,x2) & n_railroad(x2))
hypothesis_logic: exists s1 x1 x2 x3.(a_topic(x1) & on(x1,x2) & of(x2,x3) & n_work(x3) & n_day(x2) & a_last(s1) & Theme(s1,x2) & of(x2,x1) & n_thing(x1) & n_people(x1))
premise_sim: exists e1 x1 x2 x3 x4.(v_work(e1) & on(e1,x3) & of(x1,x2) & n_worker(x1) & n_track(x3) & n_railroad(x2) & n_nighttime(x4) & at(e1,x4) & Actor(e1,x1))
hypothesis_sim: exists s1 x1 x2 x3.(on(x1,x2) & of(x2,x3) & of(x2,x1) & n_work(x3) & n_thing(x1) & n_people(x1) & n_day(x2) & a_topic(x1) & a_last(s1) & Theme(s1,x2))