premise: A singer of a band on stage.
hypothesis: A singer is on stage.
explanation_1: Bands usually have a lead singer.
premise_logic: exists x1 x2 x3.(a_topic(x1) & of(x1,x2) & on(x2,x3) & n_stage(x3) & n_band(x2) & n_singer(x1))
hypothesis_logic: exists p1 x1.(exists x2.(on(x1,x2) & n_stage(x2)) & n_singer(x1))
premise_sim: exists x1 x2 x3.(on(x2,x3) & of(x1,x2) & n_stage(x3) & n_singer(x1) & n_band(x2) & a_topic(x1))
hypothesis_sim: exists x1.(n_singer(x1) & exists x2.(on(x1,x2) & n_stage(x2)))