premise: two people riding their bikes down a street together.
hypothesis: A couple ride their bikes on a date.
explanation_1: Two people can ride their bikes without being in a couple.
explanation_2: Two people do not always make couple and they may not be on date
explanation_3: Two people are not always together as a couple.
premise_logic: exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & a_together(s1) & Manner(e1,s1) & down(e1,x4) & n_street(x4) & Theme(e1,x3) & Actor(e1,x2) & v_ride(e1) & n_bike(x3) & of(x3,x1) & n_thing(x1) & (x1 = x2) & n_people(x1) & card_eq_2(x1))
hypothesis_logic: exists s1 s2 x1 x2 x3.(a_topic(x1) & on(x1,x3) & n_date(x3) & n_bike(x1) & a_their(s2) & Theme(s2,x1) & of(x1,x2) & n_ride(x2) & a_couple(s1) & Theme(s1,x1))