premise: The young man is surfing.
hypothesis: A boy is in the ocean.
explanation_1: If the boy is surfing, he is in the ocean.
premise_logic: exists e1 s1 x1.(n_man(x1) & a_young(s1) & Theme(s1,x1) & Actor(e1,x1) & v_surf(e1))
hypothesis_logic: exists p1 x1 x2.(n_ocean(x2) & in(x1,x2) & n_boy(x1))
premise_sim: exists e1 s1 x1.(v_surf(e1) & n_man(x1) & a_young(s1) & Theme(s1,x1) & Actor(e1,x1))
hypothesis_sim: exists x1 x2.(n_ocean(x2) & n_boy(x1) & in(x1,x2))