premise: Person fishing in river.
hypothesis: They have a fishing pole
explanation_1: Just because they were fishing doesn't mean they had a fishing pole.
explanation_2: Just because a person fishing in river, doesn't mean they have a fishing pole.
explanation_3: A person fishing could be using a device other than a pole.
premise_logic: exists x1 x2 x3.(a_topic(x1) & in(x1,x3) & n_river(x3) & n_fishing(x1) & (x1 = x2) & ne_nam_person(x2))
hypothesis_logic: exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_pole(x2) & of(x2,x1) & n_fishing(x1) & n_thing(x1))
premise_sim: exists x1 x2 x3.(ne_nam_person(x2) & n_river(x3) & n_fishing(x1) & in(x1,x3) & a_topic(x1) & (x1 = x2))
hypothesis_sim: exists e1 x1 x2.(v_have(e1) & of(x2,x1) & n_thing(x1) & n_pole(x2) & n_fishing(x1) & Theme(e1,x2) & Actor(e1,x1))