Question: Is Calcium's mass 170 atomic mass units?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: yes
SPARQL: ASK { ?e <pred:name> "calcium" . ?e <mass> ?pv . ?pv <pred:unit> "atomic mass unit" . ?pv <pred:value> ?v . FILTER ( ?v != "170"^^xsd:double ) .  }
Program:
function: Find
inputs: calcium
function: QueryAttr
dependencies: 0
inputs: mass
function: VerifyNum
dependencies: 1
inputs: 170 atomic mass unit
!=