Definition: In this task, you are given a text from a post. Your task is to find all of the proper nouns and label them. The labels are <B-PER>, <I-PER> for persons; <B-ORG>, <I-ORG> for organizations; <B-LOC>, <I-LOC> for locations; and <B-MISC>, <I-MISC> for other nouns. The capital 'B' denotes the first word of a proper noun phrase. The capital 'I' denotes all following words of the same noun phrase. If a word is not a part of a proper noun phrase, do not label it.
Input: It said the demise of the Net Book Agreement had hurt the British operations , and weak performances from the San Francisco unit of Harper-Collins had not helped . 

It said the demise of the Net <B-MISC> Book <I-MISC> Agreement <I-MISC> had hurt the British <B-MISC> operations , and weak performances from the San <B-LOC> Francisco <I-LOC> unit of Harper-Collins <B-ORG> had not helped . 