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: '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'

A: be comprise of
****
Q: Sentence: 'Registration for 7th and 8th grade competitive program begins on Tuesday December 9th .', Argument/Subject 1: 'registration', Argument/Subject 2: 'december'

A: begin in
****
Q: Sentence: 'Al Qaeda leader Osama Bin Laden called for jihad over the Israeli offensive in Gaza in a new audio tape that appeared on Islamist websites on Wednesday .', Argument/Subject 1: 'osama bin lade', Argument/Subject 2: 'al qaeda'

A:
be leader of
****