premise: A man in a black shirt working on a guitar.
hypothesis: A guy working on his instrument.
explanation_1: A man can also be called a guy and working on a guitar means working on an instrument.
explanation_2: If the man is working on his guitar, he is working on an instrument.
explanation_3: A guitar is an instrument.
premise_logic: exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & on(e1,x4) & n_guitar(x4) & Actor(e1,x3) & v_work(e1) & (x1 = x3) & in(x1,x2) & n_shirt(x2) & a_black(s1) & Theme(s1,x2) & n_man(x1))
hypothesis_logic: exists e1 x1 x2 x3.(a_topic(x1) & on(e1,x3) & n_instrument(x3) & of(x3,x1) & n_male(x1) & Actor(e1,x2) & v_work(e1) & (x1 = x2) & n_guy(x1))
premise_sim: exists e1 s1 x1 x2 x3 x4.(v_work(e1) & on(e1,x4) & n_shirt(x2) & n_man(x1) & n_guitar(x4) & in(x1,x2) & a_topic(x1) & a_black(s1) & Theme(s1,x2) & Actor(e1,x3) & (x1 = x3))
hypothesis_sim: exists e1 x1 x2 x3.(v_work(e1) & on(e1,x3) & of(x3,x1) & n_male(x1) & n_instrument(x3) & n_guy(x1) & a_topic(x1) & Actor(e1,x2) & (x1 = x2))