What is a proper noun?
A proper noun is a noun that identifies an entity and is used to reference that entity. For example, India is a proper noun.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
### Instruction: What is a proper noun?
### Input: 
### Response: A proper noun is a noun that identifies an entity and is used to reference that entity. For example, India is a proper noun.