Question: Is the area less than 180 square miles for the Pennsylvania city that borders Lake Erie?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: yes
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "city of Pennsylvania" . ?e <shares_border_with> ?e_1 . ?e_1 <pred:name> "Lake Erie" .  ?e <area> ?pv . ?pv <pred:unit> "square mile" . ?pv <pred:value> ?v . FILTER ( ?v < "180"^^xsd:double ) .  }
Program:
function: Find
inputs: Lake Erie
function: Relate
dependencies: 0
inputs: shares border with
backward
function: FilterConcept
dependencies: 1
inputs: city of Pennsylvania
function: QueryAttr
dependencies: 2
inputs: area
function: VerifyNum
dependencies: 3
inputs: 180 square mile
<