premise: A man snowboards.
hypothesis: A boy is snowboarding down a large hill.
explanation_1: A man usually isn't the same as a boy. Just because he snowboards doesn't mean hes going down a large hill.
explanation_2: The man could have been snowboarding across a mountain.
explanation_3: Snowboards does not mean it is down a large hill.
premise_logic: exists x1 x2.(a_topic(x1) & n_snowboard(x1) & of(x1,x2) & n_man(x2))
hypothesis_logic: exists e1 s1 s2 x1 x2.(a_down(s2) & Manner(e1,s2) & Theme(e1,x2) & Actor(e1,x1) & v_snowboard(e1) & n_hill(x2) & a_large(s1) & Theme(s1,x2) & n_boy(x1))