premise: A couple walks down the street holding hands while a man plays music.
hypothesis: The man is playing a guitar.
explanation_1: There is no implication as to what instrument the man is playing music with, it could be a trombone, a banjo, even an accordion. Bagpipes even. There is no implication of a guitar being used.
premise_logic: exists e1 e2 p1 x1 x2 x3.(n_street(x2) & for(e1,e2) & exists e3 x4 x5.(Theme(e3,x5) & Actor(e3,x4) & v_play(e3) & n_music(x5) & n_man(x4)) & while(e2,p1) & Theme(e2,x3) & Actor(e2,x1) & v_hold(e2) & n_hand(x3) & down(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_couple(x1))
hypothesis_logic: exists e1 x1 x2.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_guitar(x2))
premise_sim: exists e1 e2 p1 x1 x2 x3.(while(e2,p1) & v_walk(e1) & v_hold(e2) & n_street(x2) & n_hand(x3) & n_couple(x1) & for(e1,e2) & exists e3 x4 x5.(v_play(e3) & n_music(x5) & n_man(x4) & Theme(e3,x5) & Actor(e3,x4)) & down(e1,x2) & Theme(e2,x3) & Actor(e2,x1) & Actor(e1,x1))
hypothesis_sim: exists e1 x1 x2.(v_play(e1) & n_man(x1) & n_guitar(x2) & Theme(e1,x2) & Actor(e1,x1))