premise: A white and black spotted dog is running through a grassy area.
hypothesis: A dog is running in the field towards another dog.
explanation_1: If a dog runs through a grassy area, it need not be towards another dog.
explanation_2: It may not be running to another dog
explanation_3: The grassy area might be smaller than a field.  There is no mention of another dog in the first sentence or any indication that he is running toward anything.
premise_logic: exists e1 s1 s2 s3 s4 x1 x2.(through(e1,x2) & n_area(x2) & a_grassy(s4) & Theme(s4,x2) & Actor(e1,x1) & v_run(e1) & n_dog(x1) & a_spotted(s3) & Theme(s3,x1) & a_black(s2) & Theme(s2,x1) & a_white(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 x1 x2 x3.(n_field(x2) & towards(e1,x3) & n_dog(x3) & -(x3 = x1) & n_dog(x1) & n_dog(x1) & in(e1,x2) & Actor(e1,x1) & v_run(e1))
premise_sim: exists e1 s1 s2 s3 s4 x1 x2.(v_run(e1) & through(e1,x2) & n_dog(x1) & n_area(x2) & a_white(s1) & a_spotted(s3) & a_grassy(s4) & a_black(s2) & Theme(s4,x2) & Theme(s3,x1) & Theme(s2,x1) & Theme(s1,x1) & Actor(e1,x1))
hypothesis_sim: exists e1 x1 x2 x3.(v_run(e1) & towards(e1,x3) & n_field(x2) & n_dog(x3) & n_dog(x1) & in(e1,x2) & Actor(e1,x1) & -(x3 = x1))