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<http://webisa.webdatacommons.org/prov/482705361>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/176451219> .
<http://webisa.webdatacommons.org/176451219>	<http://www.w3.org/ns/prov#value>	"Social Security and other retirement income are not taxed." .