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.

Ex 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 .'

Ex Output:
service


Ex Input:
Given Relationship: 'pay to', Sentence: 'Tenant will pay Landlord within thirty days of the receipt of the Statement , such amounts as may be necessary to adjust Tenant 's estimated payments for such preceding Operating Year so that such payments will equal Tenant 's applicable portion of the actual Expenses for such Operating Year .'

Ex Output:
pay


Ex Input:
Given Relationship: 'bless', Sentence: 'God Bless the USSA .'

Ex Output:

Bless