premise: Two people standing in front of a waterfall scenery.
hypothesis: Two people are in front of some scenery.
explanation_1: " waterfall scenery" is  nothing but  " some scenery "
explanation_2: Two people are in front of a waterfall.
explanation_3: Two people standing in front is rephrase of two people in front
premise_logic: exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & in(e1,x3) & of(x3,x4) & n_scenery(x4) & of(x4,x5) & n_waterfall(x5) & n_front(x3) & Actor(e1,x2) & v_stand(e1) & (x1 = x2) & n_people(x1) & card_eq_2(x1))
hypothesis_logic: exists p1 x1.(exists x2 x3.(in(x1,x2) & of(x2,x3) & n_scenery(x3) & n_front(x2)) & n_people(x1) & card_eq_2(x1))