premise: Four girls are walking down the sidewalk.
hypothesis: Four girls walk down a sidewalk.
explanation_1: To say are walking is the same as saying they walk.
premise_logic: exists e1 x1 x2.(n_sidewalk(x2) & down(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_girl(x1) & card_eq_4(x1))
hypothesis_logic: exists e1 x1 x2.(down(e1,x2) & n_sidewalk(x2) & Actor(e1,x1) & v_walk(e1) & n_girl(x1) & card_eq_4(x1))
premise_sim: exists e1 x1 x2.(v_walk(e1) & n_sidewalk(x2) & n_girl(x1) & down(e1,x2) & card_eq_4(x1) & Actor(e1,x1))
hypothesis_sim: exists e1 x1 x2.(v_walk(e1) & n_sidewalk(x2) & n_girl(x1) & down(e1,x2) & card_eq_4(x1) & Actor(e1,x1))