Vague pronoun - contains it, that, this, and which.
It may be there. Over in the corner, that one. Which one? This may be the one.
Possessive pronoun - my, mine, our, its, his, her, hers, their, theirs, your, and yours.
My Ipad has a new app. Who's lunch is this, it is mine. Our turn to answer the question. The dog is his. It is her turn. They will be here. I will go to their party. Your book is missing.
