premise: A lioness closes in on its prey.
hypothesis: the lioness is sleeping
explanation_1: "Closes in on" implies that the lioness is awake.
explanation_2: The lioness can't be closing in on its prey if it is sleeping.
explanation_3: A lioness would be close to its prey if she were hunting, a lioness cannot be hunting while she is sleeping.
premise_logic: exists e1 s1 x1 x2.(on(e1,x2) & n_prey(x2) & of(x2,x1) & n_thing(x1) & a_in(s1) & Manner(e1,s1) & Actor(e1,x1) & v_close(e1) & n_lioness(x1))
hypothesis_logic: exists e1 x1.(n_lioness(x1) & Actor(e1,x1) & v_sleep(e1))
premise_sim: exists e1 s1 x1 x2.(v_close(e1) & on(e1,x2) & of(x2,x1) & n_thing(x1) & n_prey(x2) & n_lioness(x1) & a_in(s1) & Manner(e1,s1) & Actor(e1,x1))
hypothesis_sim: exists e1 x1.(v_sleep(e1) & n_lioness(x1) & Actor(e1,x1))