premise: A dog swims.
hypothesis: There is a dog swimming.
explanation_1: A dog swimming is just a shift in focus from a dog swims, but both imply a dog is swimming
premise_logic: exists x1 x2.(a_topic(x1) & n_swim(x1) & of(x1,x2) & n_dog(x2))
hypothesis_logic: exists p1 x1 x2 x3.((x1 = x2) & n_swimming(x2) & of(x2,x3) & n_dog(x3))
premise_sim: exists x1 x2.(of(x1,x2) & n_swim(x1) & n_dog(x2) & a_topic(x1))
hypothesis_sim: exists x1 x2 x3.(of(x2,x3) & n_swimming(x2) & n_dog(x3) & (x1 = x2))