Which of the following categories contains the example "anyone"?

The example "anyone" falls under the category of indefinite pronouns. Indefinite pronouns refer to non-specific persons or things, and "anyone" indicates an unidentified individual without referring to a specific person. This makes it a prime example of how indefinite pronouns are used to express generality or ambiguity in a statement.

In contrast, demonstrative pronouns are used to point to specific things or people (like "this," "that," "these," and "those"), while interrogative pronouns are utilized in questions to ask about unknown persons or things (such as "who," "what," and "which"). Possessive pronouns convey ownership (like "my," "your," "his," "her," "its," "our," and "their"). Understanding these distinctions clarifies why "anyone" fits best within the category of indefinite pronouns.