The correct answer to this question is Plural possessive noun. To be able to answer this question correctly, one would need to know what a noun is, for a plural possessive noun is a type of noun. A noun is defined as a person, place, thing, animal, or idea. Examples of nouns include a vacuum, rabbit, and Maxine Waters. Adding onto that a possessive noun shows ownership.
A possessive noun becomes plural when there is more than one. A noun can become a possessive plural noun by adding an s and an apostrophe at the end of the word. An example is with the word airplane. Adding an apostrophe and an S at the end changes the word to airplanes' and makes it a plural possessive noun.