premise: A man playing a piano
hypothesis: A man is playing a black piano.
explanation_1: You can not infer the piano is black.
explanation_2: Just because a man is playing a piano doesn't mean it is black.
explanation_3: All pianos are not black
premise_logic: exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_piano(x3) & (x1 = x2) & n_man(x1))
hypothesis_logic: exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_piano(x2) & a_black(s1) & Theme(s1,x2) & n_man(x1))
premise_sim: exists e1 x1 x2 x3.(v_play(e1) & n_piano(x3) & n_man(x1) & a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & (x1 = x2))
hypothesis_sim: exists e1 s1 x1 x2.(v_play(e1) & n_piano(x2) & n_man(x1) & a_black(s1) & Theme(s1,x2) & Theme(e1,x2) & Actor(e1,x1))