Question: Was the record label with official website http://www.curb.com not started in 1821?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "record label" . ?e <official_website> ?pv_1 . ?pv_1 <pred:value> "http://www.curb.com" . ?e <inception> ?pv . ?pv <pred:year> ?v . FILTER ( ?v != 1821 ) .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official website
http://www.curb.com
function: FilterConcept
dependencies: 1
inputs: record label
function: QueryAttr
dependencies: 2
inputs: inception
function: VerifyYear
dependencies: 3
inputs: 1821
!=
Answer: yes