Given the task definition and input, reply with output. 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: 'Writing Out to XML Files And XML Schema is an article in which author discusses about the method of writing data into XML files and XML schema .', Argument/Subject 1: 'schema', Argument/Subject 2: 'xml'
be write in