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: SunGard Shareholder Systems Inc , a subsidiary of SunGard Data Systems Inc , said it had entered into a definitive agreement to buy the Securities Products Business unit of CheckFree Corp . 

SunGard <B-ORG> Shareholder <I-ORG> Systems <I-ORG> Inc <I-ORG> , a subsidiary of SunGard <B-ORG> Data <I-ORG> Systems <I-ORG> Inc <I-ORG> , said it had entered into a definitive agreement to buy the Securities <B-ORG> Products <I-ORG> Business <I-ORG> unit of CheckFree <B-ORG> Corp <I-ORG> . 