premise: A couple walking down the street.
hypothesis: An old couple walking, holding hands
explanation_1: Not just because a couple is walking doesn't mean they are holding hands
explanation_2: A couple walking down the street isn't necessarily old, they could be walking together, but don't have to be holding hands to be a couple.
explanation_3: There is no mention that the couple is old or holding hands in sentence one.
premise_logic: exists e1 x1 x2 x3.(n_street(x3) & a_topic(x1) & down(e1,x3) & Actor(e1,x2) & v_walk(e1) & (x1 = x2) & n_couple(x1))
hypothesis_logic: exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x4) & Actor(e1,x3) & v_hold(e1) & n_hand(x4) & (x1 = x3) & n_walking(x1) & of(x1,x2) & n_couple(x2) & a_old(s1) & Theme(s1,x1))
premise_sim: exists e1 x1 x2 x3.(v_walk(e1) & n_street(x3) & n_couple(x1) & down(e1,x3) & a_topic(x1) & Actor(e1,x2) & (x1 = x2))
hypothesis_sim: exists e1 s1 x1 x2 x3 x4.(v_hold(e1) & of(x1,x2) & n_walking(x1) & n_hand(x4) & n_couple(x2) & a_topic(x1) & a_old(s1) & Theme(s1,x1) & Theme(e1,x4) & Actor(e1,x3) & (x1 = x3))