premise: A couple sits against a wall, under an art relief.
hypothesis: There are two people against the wall.
explanation_1: A couple is two people and in both sentences they are said to be against a wall.
premise_logic: exists e1 x1 x2 x3 x4.(under(e1,x3) & n_relief(x3) & of(x3,x4) & n_art(x4) & against(e1,x2) & n_wall(x2) & Actor(e1,x1) & v_sit(e1) & n_couple(x1))
hypothesis_logic: exists p1 x1 x3.(n_wall(x3) & exists x2.((x1 = x2) & against(x2,x3) & n_people(x2) & card_eq_2(x2)))
premise_sim: exists e1 x1 x2 x3 x4.(v_sit(e1) & under(e1,x3) & of(x3,x4) & n_wall(x2) & n_relief(x3) & n_couple(x1) & n_art(x4) & against(e1,x2) & Actor(e1,x1))
hypothesis_sim: exists x1 x3.(n_wall(x3) & exists x2.(n_people(x2) & card_eq_2(x2) & against(x2,x3) & (x1 = x2)))