TASK DEFINITION: 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.
PROBLEM: Given Relationship: 'be president of', Sentence: 'Barack Obama today becomes the first black president of the United States of America .'

SOLUTION: president

PROBLEM: Given Relationship: 'be descendant of', Sentence: 'Both Jews and Gentiles can become spiritual descendants of Abraham by believing on Jesus .'

SOLUTION: descendants

PROBLEM: Given Relationship: 'be appoint by', Sentence: 'Claudia Arney joins the TfL Board and current Board Member Peter Anderson has been appointed Chair of the Finance Committee .'

SOLUTION:
appointed