3-05. its, their.
[This is its X.] = This X belongs to it.
[I saw this thing and touched some of its parts.]
[These things are their things.] = These things belong to them.
[This is your X.] = This X belongs to you.
[You feel something touching your body.]
[This is my X.] = This X belongs to me.
[I do not want you to touch my body.]
3-08. a, an.
[There is an X here.] = X is some kind of thing. There is one of this kind of thing here. This is not one that you said something about a short time before now.
[I did not know there was a person in this place.]
Lisa sees a living thing that is very big.
Lisa says: "I see one living thing. __________ is bigger than my body."