| http://www.w3.org/ns/prov#value | - NEW YORK -- The local shelter may not always have enough beds, but the nation's unmarried and childless homeless have not had to prove that it is their only option when they show up at the door.That could change under a policy proposed by New York City homelessness officials who want to begin turning singles away if the city determines they can rely on family, friends or other alternatives.Caught be
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