As their names imply, both possessive adjectives and possessive pronouns show ownership. The independent possessive pronouns are mine, ours, yours, his, hers, its, and theirs. The possessive adjectives, also called possessive determiners, are my, our, your, his, her, its, and their. An example follows:

Who knew the canines were grammarians!
Really brilliant! 🐾🐾
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The dogs are truly smart. Thanks for your comment.
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You’re most welcome!
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So are they saying, “It’s mine! No, it’s mine!”
Or, “It’s my toy! No, it’s my toy!?
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Hard to say. Perhaps they are saying both.
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