<http://webisa.webdatacommons.org/prov/35889143>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/137377056> .
<http://webisa.webdatacommons.org/prov/92190630>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/137377056> .
<http://webisa.webdatacommons.org/137377056>	<http://www.w3.org/ns/prov#value>	"But there is such a thing as opportunity cost, and teachers are not cutting these things out so that their can be more recess and sing-a-longs." .
<http://webisa.webdatacommons.org/137377056>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/137377056>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<straightdope.com> .