premise: A blond guitarist, dressed all in black, performs.
hypothesis: A person is playing the guitar.
explanation_1: blond guitarist is the person
explanation_2: A guitarist perfroms by playing the guitar.
explanation_3: a guitarist is someone playing a guitar
premise_logic: exists e1 e2 s1 s2 s3 x1 x2.(Actor(e2,x1) & v_perform(e2) & in(e1,s3) & Theme(s3,x2) & a_black(s3) & a_all(s2) & Manner(e1,s2) & Theme(e1,x2) & v_dress(e1) & (x1 = x2) & n_guitarist(x1) & a_blond(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 x1 x2.(n_guitar(x2) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_person(x1))