Question: Was Glenn Ford not born on  1916-05-01 ?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: yes
SPARQL: ASK { ?e <pred:name> "Glenn Ford" . ?e <date_of_birth> ?pv . ?pv <pred:date> "1916-05-01"^^xsd:date .  }
Program:
function: Find
inputs: Glenn Ford
function: QueryAttr
dependencies: 0
inputs: date of birth
function: VerifyDate
dependencies: 1
inputs: 1916-05-01
=