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: 'McCullough focusses on Mary , the plain and pontificating middle sister .', Argument/Subject 1: 'mccullough', Argument/Subject 2: 'mary'
[EX A]: focus on

[EX Q]: Sentence: 'Within each Trust there are Arts Care Committees , comprising an honourary chairperson and volunteers from the hospital staff , members of the Arts community in the area , and other interested parties .', Argument/Subject 1: 'committee', Argument/Subject 2: 'chairperson'
[EX A]: be comprise of

[EX Q]: Sentence: 'Garlik 's advisory board includes Professor Wendy Hall and Sir Tim Berners-Lee , inventor of the World Wide Web.', Argument/Subject 1: 'tim berners-lee', Argument/Subject 2: 'world wide web'
[EX A]:
be inventor of