From the given sentence, extract the phrase (often noun or verb) that carries the given relationship. The generated phrase should be present in the sentence.
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Question: Given Relationship: 'be chairman of', Sentence: 'Alan Greenspan , Chairman of the Board of Governors of the Federal Reserve System , gave the conference keynote address .'

Answer: Chairman


Question: Given Relationship: 'bless', Sentence: 'God Bless America God bless the World .'

Answer: bless


Question: Given Relationship: 'be language in', Sentence: 'Tamil is also an official language of Sri Lanka , Malaysia and Singapore , and has constitutional recognition in South Africa .'

Answer:
language