premise: Two people climb a rock overhanging water.
hypothesis: Two kids are climbing the rock.
explanation_1: The kids could be climbing multiple rocks - use of the implies that there is only one rock.
explanation_2: Not all people are kids
explanation_3: Not all people have to be kids, they could be teens or adults too.
premise_logic: exists e1 e2 x1 x2 x3 x4.(Theme(e2,x2) & Actor(e2,x1) & v_climb(e2) & Theme(e1,x4) & Actor(e1,x3) & v_overhang(e1) & n_water(x4) & (x2 = x3) & n_rock(x2) & n_people(x1) & card_eq_2(x1))
hypothesis_logic: exists e1 x1 x2.(n_rock(x2) & Theme(e1,x2) & Actor(e1,x1) & v_climb(e1) & n_kid(x1) & card_eq_2(x1))
premise_sim: exists e1 e2 x1 x2 x3 x4.(v_overhang(e1) & v_climb(e2) & n_water(x4) & n_rock(x2) & n_people(x1) & card_eq_2(x1) & Theme(e2,x2) & Theme(e1,x4) & Actor(e2,x1) & Actor(e1,x3) & (x2 = x3))
hypothesis_sim: exists e1 x1 x2.(v_climb(e1) & n_rock(x2) & n_kid(x1) & card_eq_2(x1) & Theme(e1,x2) & Actor(e1,x1))