Given two noun phrases (arguments) and relationship between them, form a sentence that expresses theses arguments with the given relationship.
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Question: Relationship: 'be city in', Argument/Subject 1: 'toronto', Argument/Subject 2: 'canada'

Answer: Toronto is Canada 's largest city with a metropolitan population of over 5 million located on the northwestern shore of Lake Ontario , and is the provincial capital of Ontario .

Question: Relationship: 'be own by', Argument/Subject 1: 'cnn', Argument/Subject 2: 'time warner'

Answer: Both Court-TV and CNN are owned by Time Warner .

Question: Relationship: 'lose to', Argument/Subject 1: 'obama', Argument/Subject 2: 'clinton'

Answer:
Nor can these factors explain why Obama , who was steadily losing ground to Hillary Clinton from the summer of 2007 through early November of that year , suddenly took off after his speech at the Jefferson-Jackson Dinner in Iowa , which many observers described as a turning point in the Democratic nomination process .