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: 'present at', Sentence: 'Paper presented at Workshop on Economics , IUCN General Assembly , 4-5th February , Costa Rica .'

Output: presented


Input: Consider Input: Given Relationship: 'be son of', Sentence: 'James and John , the sons of Zebedee , had traveled with Jesus for three years and still they wanted to assume positions of leadership that would give them great prestige , satisfy their egos , and give them power over others .'

Output: sons


Input: Consider Input: Given Relationship: 'pass to', Sentence: 'H 2-15 H50 Tom Roszell pass incomplete to John Papacostas , QB hurry by Jarrett Brown .'


Output: pass