...
This is a mouse.
...
That is a mouse.
...
Those are mice.
...
These are mice.
...
This is a man.
...
That is a man.
...
These are men.
...
Those are men.
...
That is a woman.
...
This is a woman.
...
These are women.
...
Those are women.
...
That is a sheep.
...
This is a sheep.
...
These are sheep.
...
Those are sheep.
