premise: Two dogs shaking off water droplets on a beach.
hypothesis: There are two dogs
explanation_1: Both sentences mention two dogs but you cannot infer that there are not also other dogs there that are not shaking off water droplets.
premise_logic: exists e1 s1 x1 x2 x3 x4 x5.(a_topic(x1) & on(e1,x5) & n_beach(x5) & a_off(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x2) & v_shake(e1) & n_droplet(x3) & of(x3,x4) & n_water(x4) & (x1 = x2) & n_dog(x1) & card_eq_2(x1))
hypothesis_logic: exists p1 x1 x2.((x1 = x2) & n_dog(x2) & card_eq_2(x2))
premise_sim: exists e1 s1 x1 x2 x3 x4 x5.(v_shake(e1) & on(e1,x5) & of(x3,x4) & n_water(x4) & n_droplet(x3) & n_dog(x1) & n_beach(x5) & card_eq_2(x1) & a_topic(x1) & a_off(s1) & Theme(e1,x3) & Manner(e1,s1) & Actor(e1,x2) & (x1 = x2))
hypothesis_sim: exists x1 x2.(n_dog(x2) & card_eq_2(x2) & (x1 = x2))