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QUESTION
What's the definition of a proper noun?
The name for an unique name, place, or thing. A capital letter is always used.
Proper are used for unique nouns, so people's names (e.g. Alice, Ben), place names (e.g. Africa, China, Paris), titles (e.g. Mr, Mrs), brands (e.g. Adidas, Coca Cola), etc. They always use capital letters.
