Detailed Instructions: 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.
Problem:Sentence: 'The National Register is a program of the National Park Service , and is administered at the state level by the Ohio Historic Preservation Office .', Argument/Subject 1: 'national register', Argument/Subject 2: 'national park service'
Solution:
be program of