premise: Two people climbing up some sort of wore structure.
hypothesis: Two people race up a structure
explanation_1: Only because people climbing up structure doesn't necessarily mean they race.
explanation_2: Two people climbing up some sort of wore structure doesn't necessarily mean that they race up a structure.
explanation_3: Just because two people climbing up some sort of wore structure does not mean they race up a structure.
premise_logic: exists e1 s1 s2 x1 x2 x3 x4.(a_topic(x1) & a_up(s2) & Manner(e1,s2) & Theme(e1,x3) & Actor(e1,x2) & v_climb(e1) & of(x3,x4) & n_structure(x4) & a_wear(s1) & Theme(s1,x4) & n_sort(x3) & (x1 = x2) & n_people(x1) & card_eq_2(x1))
hypothesis_logic: exists e1 x1 x2.(up(e1,x2) & n_structure(x2) & Actor(e1,x1) & v_race(e1) & n_people(x1) & card_eq_2(x1))