Question: Is Boris Karloff's Libris-URI c9pszhgw1qqktjl?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:name> "Boris Karloff" . ?e <Libris-URI> ?pv . ?pv <pred:value> "c9pszhgw1qqktjl" .  }
Program:
function: Find
inputs: Boris Karloff
function: QueryAttr
dependencies: 0
inputs: Libris-URI
function: VerifyStr
dependencies: 1
inputs: c9pszhgw1qqktjl
Answer: no