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: An Iranian exile group based in Iraq vowed on Thursday to extend support to Iran 's Kurdish rebels after they were attacked by Iranian troops deep inside Iraq last month . 

An Iranian <B-MISC> exile group based in Iraq <B-LOC> vowed on Thursday to extend support to Iran <B-LOC> 's Kurdish <B-MISC> rebels after they were attacked by Iranian <B-MISC> troops deep inside Iraq <B-LOC> last month . 