Question: Which person was born in Greenville (the one whose inception time is 1786) with a date of birth not in 1880?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: yes
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <place_of_birth> ?e_1 . ?e_1 <pred:name> "Greenville" . ?e_1 <inception> ?pv_1 . ?pv_1 <pred:year> 1786 . ?e <date_of_birth> ?pv . ?pv <pred:year> ?v . FILTER ( ?v != 1880 ) .  }
Program:
function: Find
inputs: Greenville
function: FilterYear
dependencies: 0
inputs: inception
1786
=
function: Relate
dependencies: 1
inputs: place of birth
backward
function: FilterConcept
dependencies: 2
inputs: human
function: QueryAttr
dependencies: 3
inputs: date of birth
function: VerifyYear
dependencies: 4
inputs: 1880
!=