What are the demonstrative pronouns in which of these is one Mom said she wanted?

The demonstrative pronoun in the sentence "Which of these is the one Mom said she wanted?" is "these".

Here's why:

* Demonstrative pronouns point to specific things. They are used to indicate which noun or pronoun is being referred to.

* "These" indicates a group of items that are near the speaker or listener.

* In this sentence, "these" refers to a group of items that are already understood by the speaker and listener.

The sentence is asking which one *from that group* Mom wanted.