premise: A four piece band plays a song on a medium-size stage.
hypothesis: A band is playing music on a stage.
explanation_1: Songs are a type of music
explanation_2: If the band plays a song, that band is playing music.
explanation_3: A song is a form of music being played.
premise_logic: exists e1 s1 x1 x2 x3 x4.(Time(e1,x4) & n_band(x4) & on(e1,x3) & n_stage(x3) & a_medium-size(s1) & Theme(s1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_song(x2) & n_piece(x1) & card_eq_4(x1))
hypothesis_logic: exists e1 x1 x2 x3.(on(e1,x3) & n_stage(x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_music(x2) & n_band(x1))