Question: Does Ravi Shankar's child have the birth name of Robert Nesta Marley?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: no
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <father> ?e_1 . ?e_1 <pred:name> "Ravi Shankar" .  ?e <birth_name> ?pv . ?pv <pred:value> "Robert Nesta Marley" .  }
Program:
function: Find
inputs: Ravi Shankar
function: Relate
dependencies: 0
inputs: father
backward
function: FilterConcept
dependencies: 1
inputs: human
function: QueryAttr
dependencies: 2
inputs: birth name
function: VerifyStr
dependencies: 3
inputs: Robert Nesta Marley