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: 'This name change was based on a request by the Jack Russell Terrier Association of America which is now known as the Parson Russell Terrier Association of America .', Argument/Subject 1: 'parson russell terrier', Argument/Subject 2: 'jack russell terrier'
be know as