premise: A little boy stands in the surf.
hypothesis: The boy is a surfer
explanation_1: Just because the boy stands in the surf does not mean that he is a surfer.
premise_logic: exists e1 s1 x1 x2.(n_surf(x2) & in(e1,x2) & Actor(e1,x1) & v_stand(e1) & n_boy(x1) & a_little(s1) & Theme(s1,x1))
hypothesis_logic: exists p1 x1.(n_boy(x1) & exists x2.((x1 = x2) & n_surfer(x2)))
premise_sim: exists e1 s1 x1 x2.(v_stand(e1) & n_surf(x2) & n_boy(x1) & in(e1,x2) & a_little(s1) & Theme(s1,x1) & Actor(e1,x1))
hypothesis_sim: exists x1.(n_boy(x1) & exists x2.(n_surfer(x2) & (x1 = x2)))