Question: Does the person with a birth place in Lafayette (where Angela Kinsey was born) have a birth date prior to 1973?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <place_of_birth> ?e_1 . ?e_1 <pred:name> "Lafayette" . ?e_2 <place_of_birth> ?e_1 . ?e_2 <pred:name> "Angela Kinsey" .  ?e <date_of_birth> ?pv . ?pv <pred:year> ?v . FILTER ( ?v < 1973 ) .  }
Program:
function: Find
inputs: Angela Kinsey
function: Relate
dependencies: 0
inputs: place of birth
forward
function: Find
inputs: Lafayette
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: place of birth
backward
function: FilterConcept
dependencies: 4
inputs: human
function: QueryAttr
dependencies: 5
inputs: date of birth
function: VerifyYear
dependencies: 6
inputs: 1973
<
Answer: yes