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.

Example Input: Sentence: 'Anteros is the twin brother of Eros .', Argument/Subject 1: 'antero', Argument/Subject 2: 'ero'
Example Output: be brother of

Example Input: Sentence: 'George Skillman married Susan Bennett in 1836 .', Argument/Subject 1: 'george', Argument/Subject 2: 'susan'
Example Output: be marry to

Example Input: Sentence: 'Madison is generally credited as the father of the Constitution .', Argument/Subject 1: 'madison', Argument/Subject 2: 'constitution'
Example Output:
be father of