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: Foreign Ministry spokesman Martin Erdmann said top Bonn diplomat Wolfgang Ischinger had been assured by senior Russian officials that the ultimatum to storm and take the Chechen capital of Grozny was not valid . 

Foreign <B-ORG> Ministry <I-ORG> spokesman Martin <B-PER> Erdmann <I-PER> said top Bonn <B-LOC> diplomat Wolfgang <B-PER> Ischinger <I-PER> had been assured by senior Russian <B-MISC> officials that the ultimatum to storm and take the Chechen <B-MISC> capital of Grozny <B-LOC> was not valid . 