Given a sentence and two mentions from the text (arguments), indicate a phrase (a verb or noun phrase) that describes the relationship between the provided arguments.

Q: Sentence: '" Cape Town has undoubtedly the safest central city in South Africa , " said Boraine .', Argument/Subject 1: 'cape town', Argument/Subject 2: 'south africa'

A: be city of
****
Q: Sentence: 'PLACE OF PAYMENT - Until Tenant shall have been given notice otherwise by Landlord under the provisions of Article 17 hereof , Tenant shall pay the Net Rent to Landlord at c/o LRICO , 314 South Galena , Aspen , Colorado 81611 .', Argument/Subject 1: 'tenant', Argument/Subject 2: 'landlord'

A: pay
****
Q: Sentence: 'Duesberg has maintained since 1987 that HIV is not the infectious aetiological agent for AIDS and has recently stated that either drug consumption or conventional clinical deficiencies and their treatments cause AIDS-related illnesses .', Argument/Subject 1: 'hiv', Argument/Subject 2: 'aid'

A:
be agent of
****