<http://dbkwik.webdatacommons.org/resource/mgyxqpK9NV1EQT4k2EHEoQ==>	<http://www.w3.org/2000/01/rdf-schema#comment>	"Lemon juice is citric acid. It acts on the surface of the pennies."@en .
<http://dbkwik.webdatacommons.org/resource/mgyxqpK9NV1EQT4k2EHEoQ==>	<http://dbkwik.webdatacommons.org/ontology/abstract>	"Lemon juice is citric acid. It acts on the surface of the pennies."@en .
<http://dbkwik.webdatacommons.org/resource/mgyxqpK9NV1EQT4k2EHEoQ==>	<http://www.w3.org/2000/01/rdf-schema#label>	"How does lemon juice clean pennies"@en .
<http://dbkwik.webdatacommons.org/resource/mgyxqpK9NV1EQT4k2EHEoQ==>	<http://purl.org/dc/terms/subject>	<http://dbkwik.webdatacommons.org/resource/1GB42jsAhUygiGKcatE5VQ==> .
<http://dbkwik.webdatacommons.org/resource/mgyxqpK9NV1EQT4k2EHEoQ==>	<http://purl.org/dc/terms/subject>	<http://dbkwik.webdatacommons.org/resource/_17-YfSrnTW_h9dzg5urEg==> .