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.

Given Relationship: 'be language of', Sentence: 'Portuguese is the official language of Brazil , and it is found in every school , newspaper , television broadcast and business transaction .'
language

Given Relationship: 'be president of', Sentence: 'Now George W. Bush is the President of the United States .'
President

Given Relationship: 'run on', Sentence: 'ZUI supports Informix , Microsoft SQL Server , Oracle and Sybase running on AIX , HP-UX , Linux , Solaris and Windows .'

running