The hall was dark.
No running in the hall.
Something about the manor's hall always gave James the creeps. Maybe it was the eyes of the portraits following him.
The hall was dark and spooky. I walked down the hall. He yelled at me from across the hall.
The nouns are car, grass, street and city hall.
That office is two doors down the hall, on the left. This hall has many doors.
I disassembled out of the hall
Example sentence - The grand hall was decorated with several ornate antique swords.
Yes, "City Hall" should be capitalized when used alone in a sentence because it is a proper noun referring to the specific government building of a city.
I will sprint down the hall.
predicate
That is a run-on sentence. It is also a declarative sentence.
In the sentence given, "round" is a noun.
The nouns in the sentence, people and hall, are both concrete nouns. There are no abstract nouns in the sentence. The use of the word 'protest' is the trick. As a noun, protest is an abstract noun, but in your sentence it is the verb form 'to protest', not a noun.
Yes, if you are referring to a particular hall of fame, such as, "We visited the National Football League Hall of Fame." No, when referring to a generic or unspecified hall of fame, such as, "He is in the hall of fame," or "He is in the football hall of fame."