premise: A band is performing on stage.
hypothesis: The stage is empty.
explanation_1: The band can't be performing on stage if the stage is empty.
premise_logic: exists e1 x1 x2.(on(e1,x2) & n_stage(x2) & Actor(e1,x1) & v_perform(e1) & n_band(x1))
hypothesis_logic: exists s1 x1.(n_stage(x1) & Theme(s1,x1) & a_empty(s1))
premise_sim: exists e1 x1 x2.(v_perform(e1) & on(e1,x2) & n_stage(x2) & n_band(x1) & Actor(e1,x1))
hypothesis_sim: exists s1 x1.(n_stage(x1) & a_empty(s1) & Theme(s1,x1))