premise: A brown dog about to catch a green Frisbee.
hypothesis: The dog is sleeping.
explanation_1: A sleeping dog could only be about to catch a frisbee in his dreams.
explanation_2: A dog about to catch a Frisbee cannot be sleeping.
explanation_3: A dog who is sleeping cannot be about to catch a Frisbee at the same time.
premise_logic: exists p1 s1 s2 x1 x2.(a_topic(x1) & Topic(s2,p1) & Actor(s2,x2) & a_about(s2) & exists e1 s3 x3.(Theme(e1,x3) & Actor(e1,x2) & v_catch(e1) & n_frisbee(x3) & a_green(s3) & Theme(s3,x3)) & (x1 = x2) & n_dog(x1) & a_brown(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 x1.(n_dog(x1) & Actor(e1,x1) & v_sleep(e1))