The document is about identifying who owns a puppy using pronouns. It asks whose puppy it is multiple times and provides responses like "it's mine" or "it's yours". Through a process of elimination by asking "is it yours?" or "is it hers?" it determines that the puppy belongs to "him" and states "it's his puppy".

1. Whose puppy is it?
Whose is it?
Whose puppy is it?
It´s mine. It´s my puppy.
It´s yours. It´s your puppy.
It´s his. It´s his puppy.
It´s hers. It´s her puppy.
It´s ours. It´s our puppy.
It´s theirs. It´s their puppy.
Whose puppy is it?
Is it yours? No it isn´t.
Is it hers? No it isn´t.
Is it his? Yes it is. It´s his puppy.