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<http://webisa.webdatacommons.org/420991503>	<http://www.w3.org/ns/prov#value>	"c) Stimulants make a person more alert, more energetic, less tired and more cheerful. d) Examples of stimulants are caffeine and amphetamines." .
<http://webisa.webdatacommons.org/prov/184882848>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/420991503> .
<http://webisa.webdatacommons.org/prov/277005970>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/420991503> .
<http://webisa.webdatacommons.org/420991503>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<slideshare.net> .