instruction:
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.
question:
Given Relationship: 'be president of', Sentence: 'Barack Obama elected the 44th President of the United States .'
answer:
President


question:
Given Relationship: 'be hero of', Sentence: 'In this poem Sappho makes the astonishing statement that the true hero of the Trojan War is not Achilles or Agamemnon , but Helen !'
answer:
hero


question:
Given Relationship: 'be ban in', Sentence: 'China banned the Falun Gong movement in July last year and has since jailed core leaders for up to 18 years and sent tens of thousands to re-education camps .'
answer:

banned