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.

[Q]: Sentence: 'Having seen early reports of Firefox not working in Vista , I was anxious to confirm this .', Argument/Subject 1: 'firefox', Argument/Subject 2: 'vista'
[A]: work on


[Q]: Sentence: 'Kate Bostock was appointed to the Board as an Executive Director of Clothing and Steven Esom was appointed to the Board as Executive Director of Food on 10 March 2008 .', Argument/Subject 1: 'board', Argument/Subject 2: 'executive director'
[A]: appoint


[Q]: Sentence: 'Jesus is the head of the Church - It 's something we need to be part of .', Argument/Subject 1: 'jesus', Argument/Subject 2: 'church'
[A]:
be head of