premise: a man with beard sitting down playing an acoustic guitar.
hypothesis: A musician plays on his instrument.
explanation_1: The man with the beard is a musician.
explanation_2: A man can be a musician, and a guitar is an instrument.
explanation_3: A guitar is an instrument, and a man playing a guitar is a musician.
premise_logic: exists e1 e2 s1 s2 x1 x2 x3 x4.(a_topic(x1) & for(e1,e2) & Theme(e2,x4) & Actor(e2,x3) & v_play(e2) & n_guitar(x4) & a_acoustic(s2) & Theme(s2,x4) & a_down(s1) & Manner(e1,s1) & Actor(e1,x3) & v_sit(e1) & (x1 = x3) & with(x1,x2) & n_beard(x2) & n_man(x1))
hypothesis_logic: exists e1 x1 x2.(on(e1,x2) & n_instrument(x2) & of(x2,x1) & n_male(x1) & Actor(e1,x1) & v_play(e1) & n_musician(x1))