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: '1860 - Lincoln is elected the 16th President of the United States , the first Republican , receiving 180 of 303 possible electoral votes and 40 percent of the popular vote , with the South voting almost solidly against him .', Argument/Subject 1: 'lincoln', Argument/Subject 2: 'unite state'
Example Output: be elect president of

Example Input: Sentence: 'The African Union is a successor to the Organization of African Unity .', Argument/Subject 1: 'african union', Argument/Subject 2: 'organization of african unity'
Example Output: be successor to

Example Input: Sentence: 'Brian Taylor was born in Tucson , Arizona .', Argument/Subject 1: 'brian taylor', Argument/Subject 2: 'tucson'
Example Output:
be bear in