premise: Two people are walking up a mountain.
hypothesis: People are walking up a mountain.
explanation_1: People implies more than one person, which two people are.
explanation_2: If two people are walking up a mountain, people in general are walking up a mountain.
explanation_3: Two people specifies more than a single person walking up the mountain.
premise_logic: exists e1 s1 x1 x2.(a_up(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_mountain(x2) & n_people(x1) & card_eq_2(x1))
hypothesis_logic: exists e1 s1 x1 x2.(a_up(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_mountain(x2) & n_people(x1))