How are key ideas refined with clear and concise language in the selection ""what are our demands?"" What purpose does this selection serve?

what are the options?

the class of pronouns which is usually singular:

the class of pronouns used as an adjective to point out which person or thing is being discussed:

the class of pronouns that does not need a specific antecedent:

the class of pronouns which turns the action back on the subject:

the class of pronouns used to ask questions:

the class of pronouns used for emphasis:

the class of pronouns made up of two-word pronouns:

the class of pronouns, other than personal pronouns, that has a nominative and an objective case: