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: 'He married Mary Whipple daughter of Capt .', Argument/Subject 1: 'mary', Argument/Subject 2: 'capt'
[A]: be daughter of

[Q]: Sentence: 'Paper presented at the European Peace Science Conference , Amsterdam , June 9-11 2004 .', Argument/Subject 1: 'paper', Argument/Subject 2: 'june'
[A]: present at

[Q]: Sentence: 'Many computer makers have begun to offer Linux as an alternative to Microsoft Windows NT , specifically as email and Web servers .', Argument/Subject 1: 'linux', Argument/Subject 2: 'microsoft window'
[A]:
be alternative to