Question: Does the medication that is a nutrient of sugar have a discovery or invention time after 1808?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "medication" . ?e_1 <nutrient> ?e . ?e_1 <pred:name> "sugar" .  ?e <time_of_discovery_or_invention> ?pv . ?pv <pred:year> ?v . FILTER ( ?v > 1808 ) .  }
Program:
function: Find
inputs: sugar
function: Relate
dependencies: 0
inputs: nutrient
forward
function: FilterConcept
dependencies: 1
inputs: medication
function: QueryAttr
dependencies: 2
inputs: time of discovery or invention
function: VerifyYear
dependencies: 3
inputs: 1808
>
Answer: no