premise: Xylophonists play in a dark setting.
hypothesis: someone who plays a xylophone
explanation_1: Xylophonists is someone who plays a xylophone.
explanation_2: Xylophonists are persons playing a xylophone.
explanation_3: I f you play a xylophone you play in a dark setting.
premise_logic: exists e1 s1 x1 x2.(in(e1,x2) & n_setting(x2) & a_dark(s1) & Theme(s1,x2) & Actor(e1,x1) & v_play(e1) & n_xylophonist(x1))
hypothesis_logic: exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_xylophone(x3) & (x1 = x2) & n_person(x1))