premise: The band prepares for the next song.
hypothesis: The band has been together for years.
explanation_1: Just because a band prepares for the next song doesn't mean that they have been doing so together for years.
explanation_2: Being a band doesn't mean they have been together for years
explanation_3: The band can be together for any length of time other than years.
premise_logic: exists e1 s1 x1 x2.(n_song(x2) & a_next(s1) & Theme(s1,x2) & n_band(x1) & for(e1,x2) & Actor(e1,x1) & v_prepare(e1))
hypothesis_logic: exists s1 x1 x2.(n_band(x1) & for(s1,x2) & n_year(x2) & Theme(s1,x1) & a_together(s1))