What words in this sentence this group is funny are nouns?

In the sentence "this group is funny," the noun is "group." Nouns are Words that represent people, places, things, or ideas, and in this case, "group" refers to a collection of individuals. The Words "this," "is," and "funny" are not nouns; "this" is a demonstrative pronoun, "is" is a verb, and "funny" is an adjective.