premise: A small dog lands on a big dog trying to get a disc.
hypothesis: The small dog is playing.
explanation_1: One form of playing is rough housing, and dogs are known for this type of play. That a small dog lands on a big dog while trying to get a disc sounds like that type of play, so the small dog can be described as playing.
premise_logic: exists e1 p1 s1 s2 x1 x2 x3 x4.(a_topic(x1) & on(x1,x3) & Topic(e1,p1) & Actor(e1,x4) & v_try(e1) & exists e2 x5.(Theme(e2,x5) & Actor(e2,x4) & v_get(e2) & n_disc(x5)) & (x3 = x4) & n_dog(x3) & a_big(s2) & Theme(s2,x3) & n_land(x1) & of(x1,x2) & n_dog(x2) & a_small(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 s1 x1.(n_dog(x1) & a_small(s1) & Theme(s1,x1) & Actor(e1,x1) & v_play(e1))
premise_sim: exists e1 p1 s1 s2 x1 x2 x3 x4.(v_try(e1) & on(x1,x3) & of(x1,x2) & n_land(x1) & n_dog(x3) & n_dog(x2) & exists e2 x5.(v_get(e2) & n_disc(x5) & Theme(e2,x5) & Actor(e2,x4)) & a_topic(x1) & a_small(s1) & a_big(s2) & Topic(e1,p1) & Theme(s2,x3) & Theme(s1,x1) & Actor(e1,x4) & (x3 = x4))
hypothesis_sim: exists e1 s1 x1.(v_play(e1) & n_dog(x1) & a_small(s1) & Theme(s1,x1) & Actor(e1,x1))