Question: Is John Guilbert Avildsen the birth name of Richard Wagner (the one that was born in Leipzig)?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: no
SPARQL: ASK { ?e <pred:name> "Richard Wagner" . ?e <place_of_birth> ?e_1 . ?e_1 <pred:name> "Leipzig" .  ?e <birth_name> ?pv . ?pv <pred:value> "John Guilbert Avildsen" .  }
Program:
function: Find
inputs: Leipzig
function: Relate
dependencies: 0
inputs: place of birth
backward
function: Find
inputs: Richard Wagner
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: birth name
function: VerifyStr
dependencies: 4
inputs: John Guilbert Avildsen