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: 'kill', Sentence: 'David kills the Amalekite for killing Saul , his enemy .'

Output: kills


Input: Consider Input: Given Relationship: 'be service of', Sentence: 'See a list of publications by Mayo Clinic authors on mitral valve disease on PubMed , a service of the National Library of Medicine .'

Output: service


Input: Consider Input: Given Relationship: 'pass', Sentence: 'Bill passed Senate , but NYACS blocked it in Assembly .'


Output: passed