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 Q]: Sentence: 'Gloria Steinem on what the pick of Sarah Palin tells us about John McCain .', Argument/Subject 1: 'mccain', Argument/Subject 2: 'sarah palin'
[EX A]: pick

[EX Q]: Sentence: 'DOE- The Department of Energy will hold an open meeting of the Unconventional Resources Technology Advisory Committee on September 11-12 , 2008 at the Hilton Alexandria Old Town .', Argument/Subject 1: 'committee', Argument/Subject 2: 'september'
[EX A]: meet in

[EX Q]: Sentence: 'By Daniel Engber Slate mentator Patrick J. Buchanan reports that Washington Post columnist David Ignatius , who travels often to Iraq and Afghanistan .', Argument/Subject 1: 'david ignatius', Argument/Subject 2: 'post'
[EX A]:
be columnist for