premise: A trio of singers, each with a microphone; two are playing guitar and keyboard.
hypothesis: A boy is playing piano.
explanation_1: A trio of singers is more than just a boy.  Also they are playing guitar and keyboard, therefore cannot  be play the piano.
premise_logic: exists e1 x1 x2 x3 x4 x5 x6 x7.(Theme(e1,x5) & Actor(e1,x1) & v_play(e1) & n_keyboard(x7) & n_guitar(x6) & subset_of(x7,x5) & subset_of(x6,x5) & of(x1,x2) & rel(x2,x3) & subset_of(x4,x3) & n_thing(x4) & card_eq_2(x4) & all x8.(n_thing(x8) -> exists x9.(subset_of(x8,x3) & with(x8,x9) & n_microphone(x9))) & n_singer(x2) & n_trio(x1))
hypothesis_logic: exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_piano(x2) & n_boy(x1))
premise_sim: exists e1 x1 x2 x3 x4 x5 x6 x7.(v_play(e1) & subset_of(x7,x5) & subset_of(x6,x5) & subset_of(x4,x3) & rel(x2,x3) & of(x1,x2) & n_trio(x1) & n_thing(x4) & n_singer(x2) & n_keyboard(x7) & n_guitar(x6) & card_eq_2(x4) & all x8.(exists x9.(with(x8,x9) & subset_of(x8,x3) & n_microphone(x9)) | -n_thing(x8)) & Theme(e1,x5) & Actor(e1,x1))
hypothesis_sim: exists e1 x1 x2.(v_play(e1) & n_piano(x2) & n_boy(x1) & Theme(e1,x2) & Actor(e1,x1))