Question: Was the popular music famously represented by Tupac Shakur invented prior to 1958 ?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "popular music" . ?e <famous_people> ?e_1 . ?e_1 <pred:name> "Tupac Shakur" .  ?e <inception> ?pv . ?pv <pred:year> ?v . FILTER ( ?v < 1958 ) .  }
Program:
function: Find
inputs: Tupac Shakur
function: Relate
dependencies: 0
inputs: famous people
backward
function: FilterConcept
dependencies: 1
inputs: popular music
function: QueryAttr
dependencies: 2
inputs: inception
function: VerifyYear
dependencies: 3
inputs: 1958
<
Answer: no