The dogs have a bag of bones. These are... bones.
their
You have a Batman picture. This is... picture.
your
The monster has wings. Those are... wings.
its
I have a teddy bear. This is... teddy bear.
my
The dog has a tail. That is... tail.
its
We have a dog. This is... dog.
our
They have a car. This is... car.
their
The cat has a blanket. This is... blanket.
its
The cat has a fish. This is... fish.
its
Alicia has many books. These are... books.
her