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: 'Horus was the son of Osiris and Isis .', Argument/Subject 1: 'horus', Argument/Subject 2: 'isis'
Example Output: be son of

Example Input: Sentence: 'William McKinley of Stark County , Ohio is elected the 26th President of the United States .', Argument/Subject 1: 'william mckinley', Argument/Subject 2: 'unite state'
Example Output: be elect president of

Example Input: Sentence: 'Luke arrives at Cloud City , but Leia warns him of the trap .', Argument/Subject 1: 'luke', Argument/Subject 2: 'cloud city'
Example Output:
arrive at