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: 'Gabrielle could tell by just looking at Xena and Ephiny that their instincts were humming like a strummed lyre string .', Argument/Subject 1: 'gabrielle', Argument/Subject 2: 'xena'
[EX A]: look to

[EX Q]: Sentence: 'It runs on Microsoft Windows , Apple Mac OS X , and Linux , and is available in several versions .', Argument/Subject 1: 'window', Argument/Subject 2: 'mac'
[EX A]: run on

[EX Q]: Sentence: 'William Jefferson Clinton , the 42nd president of the United States , is founder of the William J. Clinton Foundation .', Argument/Subject 1: 'jefferson', Argument/Subject 2: 'unite state'
[EX A]:
be president of