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: 'speak at', Sentence: 'He would probably rather forget the principles I heard him defend in a closed forum last year arguing against inviting Ahmadinejad to speak at Columbia after a previous attempt to have him speak at the institution without Bollinger 's knowledge fell through .'

Answer: speak


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

Answer: descendants


Question: Given Relationship: 'be locate on', Sentence: 'Siam Sawasdee Hotel , is located in the heart of the Central Pattaya Beach , and within walking distance of shopping centers , restaurants , entertainment and cultural attractions .'

Answer:
located