Premise: As David Rusk, a former mayor of Albuquerque, argues in his book, Cities Without Suburbs , metro-wide governments where the suburbs and the city are joined tend to be more racially integrated, and better off in various other ways as well.

Hypothesis: Cities Without Suburbs written by David Rusk argues that suburbs and the city where they join are usually more racially integrated and better off in various other ways too. 
Relation: entailment