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.
Q: Sentence: 'In addition , another member of the British Commonwealth , Canada , is sending a competitor for the first time in 2008 , Ken Rutley , a mason from Medicine Hat , Alberta , will lay brick for our good neighbor to the North .', Argument/Subject 1: 'canada', Argument/Subject 2: 'commonwealth'
A:
be member of