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: 'Bill served his country in the U.S. Navy for three years before marrying in 1961 .', Argument/Subject 1: 'bill', Argument/Subject 2: 'us navy'
[EX A]: serve in

[EX Q]: Sentence: 'This is important because Windows Vista , the upcoming version of the Microsoft Windows operating system , will require DRM for playback of HD content .', Argument/Subject 1: 'vista', Argument/Subject 2: 'microsoft window'
[EX A]: be version of

[EX Q]: Sentence: 'Django is written in Python and was first released as free software in 2005 .', Argument/Subject 1: 'django', Argument/Subject 2: 'python'
[EX A]:
be write in