premise: A man playing a piano
hypothesis: A boy is playing trombone.
explanation_1: A man with a piano is not a boy with a trombone.
explanation_2: A boy is not a man.  A trombone is not a piano.
explanation_3: A trombone and a piano are typically not played at the same time by the same person.
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 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_trombone(x2) & n_boy(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 x1 x2.(v_play(e1) & n_trombone(x2) & n_boy(x1) & Theme(e1,x2) & Actor(e1,x1))