premise: A band performs on stage.
hypothesis: There is a band on the stage.
explanation_1: If the band performs on stage, it must be on the stage.
premise_logic: exists e1 x1 x2.(on(e1,x2) & n_stage(x2) & Actor(e1,x1) & v_perform(e1) & n_band(x1))
hypothesis_logic: exists p1 x1 x3.(n_stage(x3) & exists x2.((x1 = x2) & on(x2,x3) & n_band(x2)))
premise_sim: exists e1 x1 x2.(v_perform(e1) & on(e1,x2) & n_stage(x2) & n_band(x1) & Actor(e1,x1))
hypothesis_sim: exists x1 x3.(n_stage(x3) & exists x2.(on(x2,x3) & n_band(x2) & (x1 = x2)))