premise: A person is climbing and has nearly reached the sign at the top
hypothesis: a person outside
explanation_1: Reached the sign at the top implies person outside.
explanation_2: Reached the sign at the top implies outside.
explanation_3: A person is climbing and has nearly reached the sign at the top means the person is outside
premise_logic: exists e1 e2 s1 x1 x2 x3 x4.(n_top(x4) & n_sign(x3) & a_nearly(s1) & Manner(e2,s1) & Theme(e2,x3) & Actor(e2,x2) & v_reach(e2) & at(x3,x4) & n_person(x2) & Actor(e1,x1) & v_climb(e1) & n_person(x1))
hypothesis_logic: exists s1 x1 x2.(a_topic(x1) & Theme(s1,x2) & a_outside(s1) & (x1 = x2) & n_person(x1))