Given two noun phrases (arguments) and relationship between them, form a sentence that expresses theses arguments with the given relationship.

[Q]: Relationship: 'be chairman of', Argument/Subject 1: 'carl levin', Argument/Subject 2: 'senate arm service committee'
[A]: In fact , the only Democrat to show up for this briefing was Senator Carl Levin , chairman of the Senate Armed Service Committee .


[Q]: Relationship: 'be research director at', Argument/Subject 1: 'david kopel', Argument/Subject 2: 'independence institute'
[A]: Chris Little is a Senior Fellow , and David Kopel is Research Director with the Independence Institute , a free-market think in Golden .


[Q]: Relationship: 'be city in', Argument/Subject 1: 'hebron', Argument/Subject 2: 'west bank'
[A]:
Reports in the press about a reduction in the number of West Bank checkpoints are false , he noted , complaining that temporary  checkpoints in the governorate have separated Bethlehem from the surrounding villages and the southern West Bank city of Hebron .