premise: Two dogs running near a river while one dogs in swimming in it.
hypothesis: The dogs are playing and chasing each other.
explanation_1: Dogs playing and chasing each other aren't just two or three dogs running near or swimming in a river.
premise_logic: exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & in(e1,x1) & n_thing(x1) & in(e1,x5) & n_swimming(x5) & while(e1,x4) & n_dog(x4) & card_eq_1(x4) & near(e1,x3) & n_river(x3) & Actor(e1,x2) & v_run(e1) & (x1 = x2) & n_dog(x1) & card_eq_2(x1))
hypothesis_logic: exists x1.(n_dog(x1) & all x3.(n_other(x3) -> exists e2.(Theme(e2,x3) & Actor(e2,x1) & v_chase(e2))) & all x2.(n_other(x2) -> exists e1.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1))))
premise_sim: exists e1 x1 x2 x3 x4 x5.(while(e1,x4) & v_run(e1) & near(e1,x3) & n_thing(x1) & n_swimming(x5) & n_river(x3) & n_dog(x4) & n_dog(x1) & in(e1,x5) & in(e1,x1) & card_eq_2(x1) & card_eq_1(x4) & a_topic(x1) & Actor(e1,x2) & (x1 = x2))
hypothesis_sim: exists x1.(n_dog(x1) & all x3.(exists e2.(v_chase(e2) & Theme(e2,x3) & Actor(e2,x1)) | -n_other(x3)) & all x2.(exists e1.(v_play(e1) & Theme(e1,x2) & Actor(e1,x1)) | -n_other(x2)))