premise: A couple stands at the top of a flight of outdoor stairs kissing one another.
hypothesis: A couple sits on the stairs.
explanation_1: A couple that sits cannot stand.
explanation_2: Stands is the opposite of sits.
explanation_3: stands doesn't mean sits
premise_logic: exists e2 e1 s1 s2 x1 x2 x3 x4 x5.(n_top(x2) & for(e1,e2) & Theme(e2,x5) & Actor(e2,x1) & v_kiss(e2) & n_thing(x5) & card_eq_1(x5) & a_another(s2) & Theme(s2,x5) & at(e1,x2) & of(x2,x3) & of(x3,x4) & n_stair(x4) & a_outdoor(s1) & Theme(s1,x4) & n_flight(x3) & Actor(e1,x1) & v_stand(e1) & n_couple(x1))
hypothesis_logic: exists e1 x1 x2.(n_stair(x2) & on(e1,x2) & Actor(e1,x1) & v_sit(e1) & n_couple(x1))