<http://webisa.webdatacommons.org/prov/490835261>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/433987031> .
<http://webisa.webdatacommons.org/433987031>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<reflux1.com> .
<http://webisa.webdatacommons.org/prov/195702921>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/433987031> .
<http://webisa.webdatacommons.org/433987031>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/433987031>	<http://www.w3.org/ns/prov#value>	"Singers are also recommended to avoid acidic foods such as tomatoes and citrus fruits, and to cut intake of alcoholic beverages and caffeine." .