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.

Ex 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'

Ex Output:
be elect president of

Ex Input:
Sentence: 'Prague is the capital city of the Czech Republic , and a great place for tax free shopping .', Argument/Subject 1: 'prague', Argument/Subject 2: 'czech republic'

Ex Output:
be capital city of

Ex Input:
Sentence: 'Tim Berners-Lee invented the World Wide Web while at CERN to enable scientists around the globe to work together effectively , and CERN then made the technology freely available to the global community , an enormous step toward democratizing the flow of information .', Argument/Subject 1: 'tim berners-lee', Argument/Subject 2: 'world wide web'

Ex Output:
invent