premise: Two people stand before an ambulance.
hypothesis: Two people are riding in an ambulance.
explanation_1: Riding is nearly opposite of two people that stand.
premise_logic: exists e1 x1 x2.(before(e1,x2) & n_ambulance(x2) & Actor(e1,x1) & v_stand(e1) & n_people(x1) & card_eq_2(x1))
hypothesis_logic: exists e1 x1 x2.(in(e1,x2) & n_ambulance(x2) & Actor(e1,x1) & v_ride(e1) & n_people(x1) & card_eq_2(x1))
premise_sim: exists e1 x1 x2.(v_stand(e1) & n_people(x1) & n_ambulance(x2) & card_eq_2(x1) & before(e1,x2) & Actor(e1,x1))
hypothesis_sim: exists e1 x1 x2.(v_ride(e1) & n_people(x1) & n_ambulance(x2) & in(e1,x2) & card_eq_2(x1) & Actor(e1,x1))