premise: Person fishing in river.
hypothesis: A person is near a river
explanation_1: A person fishing in a river should be near a river.
explanation_2: Being in a river implies that one is near a river
explanation_3: A person, must be near the river to fish.
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 p1 x1.(exists x2.(near(x1,x2) & n_river(x2)) & n_person(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 x1.(n_person(x1) & exists x2.(near(x1,x2) & n_river(x2)))