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.

Sentence: 'I believe Ottawa is the least car-dependent city in Canada though .', Argument/Subject 1: 'ottawa', Argument/Subject 2: 'canada'
be city in

Sentence: 'Johns Hopkins alumnus and New York City mayor Michael Bloomberg described this exactly when he wrote : " Once make a fortune , the real question is , what 's it for ?', Argument/Subject 1: 'michael bloomberg', Argument/Subject 2: 'new york'
be mayor of

Sentence: 'Xena looked up at her friend with a scowl and Gabrielle gave her a dirty look .', Argument/Subject 1: 'xena', Argument/Subject 2: 'gabrielle'
look up at