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.

Input: Consider Input: Given Relationship: 'operate in', Sentence: 'This website is owned and operated by Lafarge North America Inc. , a Lafarge Group company .'

Output: operated


Input: Consider Input: Given Relationship: 'present at', Sentence: 'Paper presented to the International Pragmatics Conference , Tel Aviv June 14 .'

Output: presented


Input: Consider Input: Given Relationship: 'be son of', Sentence: 'Mayor Robert Humphrey was the son of William Humphrey 2nd .'


Output: son