Question: Does the science which interests Karl Marx (who went to the Humboldt University in Berlin) have a Regensburg Classification identifier of BF 4870?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "science" . ?e_1 <interests> ?e . ?e_1 <pred:name> "Karl Marx" . ?e_1 <educated_at> ?e_2 . ?e_2 <pred:name> "Humboldt University of Berlin" .  ?e <Regensburg_Classification> ?pv . ?pv <pred:value> "BF 4870" .  }
Program:
function: Find
inputs: Humboldt University of Berlin
function: Relate
dependencies: 0
inputs: educated at
backward
function: Find
inputs: Karl Marx
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: interests
forward
function: FilterConcept
dependencies: 4
inputs: science
function: QueryAttr
dependencies: 5
inputs: Regensburg Classification
function: VerifyStr
dependencies: 6
inputs: BF 4870
Answer: no