premise: Workers are cleaning railroad tracks.
hypothesis: Workers are on railroad tracks.
explanation_1: In order to be cleaning railroad tracks workers would have to be on the railroad tracks.
premise_logic: exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_clean(e1) & n_track(x2) & of(x2,x3) & n_railroad(x3) & n_worker(x1))
hypothesis_logic: exists p1 x1.(exists x2 x3.(on(x1,x2) & n_track(x2) & of(x2,x3) & n_railroad(x3)) & n_worker(x1))
premise_sim: exists e1 x1 x2 x3.(v_clean(e1) & of(x2,x3) & n_worker(x1) & n_track(x2) & n_railroad(x3) & Theme(e1,x2) & Actor(e1,x1))
hypothesis_sim: exists x1.(n_worker(x1) & exists x2 x3.(on(x1,x2) & of(x2,x3) & n_track(x2) & n_railroad(x3)))