I think this would be the answer because a grammatical name is the name given to a word, phrase or clause depending on its function in a given clause or sentence. There are several grammatical names such as noun phrase, adverbial phrase, adjective phrase, adjectival phrase, prepositional phrase, noun clause, adverbial clause and adjectival/relative clause. In this case i think the grammatical name is a clause meaning it has a subject and verb "man" being the subject and "understood" being the verb.
Explanation: So the first one to the mayor is assertive, concerned and polite. The second for the Local Newspaper is demanding, persuasive and logical. And the third for the uncle is just the very last one.
