Question: does Samuel R Delany have a Libris-URI equal to b8nqr97v5gcr5qw ?
Choices: yes
no
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SPARQL: ASK { ?e <pred:name> "Samuel R. Delany" . ?e <Libris-URI> ?pv . ?pv <pred:value> "b8nqr97v5gcr5qw" .  }
Program:
function: Find
inputs: Samuel R. Delany
function: QueryAttr
dependencies: 0
inputs: Libris-URI
function: VerifyStr
dependencies: 1
inputs: b8nqr97v5gcr5qw
Answer: no