Question: Was an agent position, that appoints Vice President of the United States, established after 1816?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Program:
function: Find
inputs: Vice President of the United States
function: Relate
dependencies: 0
inputs: appointed by
forward
function: FilterConcept
dependencies: 1
inputs: agent
function: QueryAttr
dependencies: 2
inputs: inception
function: VerifyYear
dependencies: 3
inputs: 1816
>
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "agent" . ?e_1 <appointed_by> ?e . ?e_1 <pred:name> "Vice President of the United States" .  ?e <inception> ?pv . ?pv <pred:year> ?v . FILTER ( ?v > 1816 ) .  }
Answer: no