premise: A man and a woman are walking across a street.
hypothesis: a couple are walking
explanation_1: Not all man and a woman walking across a street are a couple.
premise_logic: exists e1 x1 x2 x3 x4.(across(e1,x4) & n_street(x4) & Actor(e1,x1) & v_walk(e1) & subset_of(x3,x1) & n_woman(x3) & subset_of(x2,x1) & n_man(x2))
hypothesis_logic: exists e1 x1.(Actor(e1,x1) & v_walk(e1) & n_couple(x1))
premise_sim: exists e1 x1 x2 x3 x4.(v_walk(e1) & subset_of(x3,x1) & subset_of(x2,x1) & n_woman(x3) & n_street(x4) & n_man(x2) & across(e1,x4) & Actor(e1,x1))
hypothesis_sim: exists e1 x1.(v_walk(e1) & n_couple(x1) & Actor(e1,x1))