premise: A man is standing on the sidewalk, playing a guitar and singing, with a container of tips by him.
hypothesis: A man is earning his living by singing to strangers.
explanation_1: man playing a guitar and singing, with a container of tips by him doesn't necessarily mean man is earning his living by singing.
explanation_2: Just because a man is standing on the sidewalk, playing a guitar and singing, with a container of tips by him, doesn't mean he is earning his living by singing to strangers.
explanation_3: A man doesn't have to be singing to strangers to earn a living.
premise_logic: exists e1 e2 x1 x2 x3 x4 x5 x6 x7.(n_male(x2) & n_sidewalk(x2) & for(e1,e2) & Theme(e2,x5) & Actor(e2,x1) & v_play(e2) & n_singing(x7) & n_guitar(x6) & subset_of(x7,x5) & subset_of(x6,x5) & with(e1,x3) & of(x3,x4) & by(x4,x2) & n_tip(x4) & n_container(x3) & on(e1,x2) & Actor(e1,x1) & v_stand(e1) & n_man(x1))
hypothesis_logic: exists e1 e2 x1 x2 x3.(by(e1,e2) & to(e2,x3) & n_stranger(x3) & Actor(e2,x1) & v_sing(e2) & Theme(e1,x2) & Actor(e1,x1) & v_earn(e1) & n_living(x2) & of(x2,x1) & n_male(x1) & n_man(x1))