premise: Two men are ice fishing.
hypothesis: the rocks were hard
explanation_1: Just because people are ice fishing it does not mean that the rocks they encounter are hard.
premise_logic: exists p1 x1.(exists x2 x3.((x1 = x2) & n_fishing(x2) & of(x2,x3) & n_ice(x3)) & n_man(x1) & card_eq_2(x1))
hypothesis_logic: exists s1 x1.(n_rock(x1) & Theme(s1,x1) & a_hard(s1))
premise_sim: exists x1.(n_man(x1) & exists x2 x3.(of(x2,x3) & n_ice(x3) & n_fishing(x2) & (x1 = x2)) & card_eq_2(x1))
hypothesis_sim: exists s1 x1.(n_rock(x1) & a_hard(s1) & Theme(s1,x1))