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 president of', Sentence: 'At noon EST , Barack H. Obama became the 44th president of the United States of America .'
president

Given Relationship: 'betray', Sentence: 'Gethsemane was the place where Jesus prayed shortly before being betrayed by Judas and arrested by the Romans .'
betrayed

Given Relationship: 'be program from', Sentence: 'PDF documents on this site require a program such as Adobe 's free Acrobat Reader .'

program