premise: A band playing with fans watching.
hypothesis: Fans watch a hard rock band play
explanation_1: A band is not assumed to be a hard rock band.
explanation_2: Not all bands are hard rock band
explanation_3: Just because a band playing with fans watching doesn't mean they watch a hard rock band play.
premise_logic: exists e1 e2 x1 x2 x3.(a_topic(x1) & Actor(e2,x3) & v_watch(e2) & with(e1,x3) & n_fan(x3) & Actor(e1,x2) & v_play(e1) & (x1 = x2) & n_band(x1))
hypothesis_logic: exists e1 s1 x1 x2 x3 x4.(Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & n_play(x2) & of(x2,x4) & n_band(x4) & of(x2,x3) & n_rock(x3) & a_hard(s1) & Theme(s1,x2) & n_fan(x1))