Sentence 1: A small dog plays with a very big limb. Sentence 2: A dog plays with his owner.
This justifies what answer for what question? Q & A: 
Given the sentence "A small dog plays with a very big limb." is it true that "A dog plays with his owner."?
it is not possible to tell
Sentence 1: A small dog plays with a very big limb. Sentence 2: A dog plays with his owner.
This justifies what answer for what question? Q & A: 
user
Given the sentence "A small dog plays with a very big limb." is it true that "A dog plays with his owner."?
it is not possible to tell
assistant
Sentence 1: A small dog plays with a very big limb. Sentence 2: A dog plays with his owner.
This justifies what answer for what question? Q & A: 
Given the sentence "A small dog plays with a very big limb." is it true that "A dog plays with his owner."?
it is not possible to tell