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

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

[EX Q]: Relationship: 'live in', Argument/Subject 1: 'john', Argument/Subject 2: 'toronto'
[EX A]: John and family have lived in Toronto since 1977 .

[EX Q]: Relationship: 'be professor at', Argument/Subject 1: 'bjorn lomborg', Argument/Subject 2: 'copenhagen business school'
[EX A]:
Dr. Bjorn Lomborg is adjunct professor at the Copenhagen Business School and author of the best-selling " The Skeptical Environmentalist " in which he challenged mainstream concerns about the environment and pointed out that we need to focus attention on the most important problems first .