premise: The band were playing in the stage.
hypothesis: The band played on the stage.
explanation_1: The band "Were playing" means the same as "played on" the stage, as both refer to the past.  (the first is called  past imperfect)
premise_logic: exists e1 x1 x2.(n_stage(x2) & n_band(x1) & in(e1,x2) & Actor(e1,x1) & v_play(e1))
hypothesis_logic: exists e1 x1 x2.(n_stage(x2) & n_band(x1) & on(e1,x2) & Actor(e1,x1) & v_play(e1))
premise_sim: exists e1 x1 x2.(v_play(e1) & n_stage(x2) & n_band(x1) & in(e1,x2) & Actor(e1,x1))
hypothesis_sim: exists e1 x1 x2.(v_play(e1) & on(e1,x2) & n_stage(x2) & n_band(x1) & Actor(e1,x1))