Question: Is Belgium's retirement age less than 70 years old (the end time of this statement is 2025-01-31)?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: yes
SPARQL: ASK { ?e <pred:name> "Belgium" . ?e <retirement_age> ?pv . ?pv <pred:unit> "years old" . ?pv <pred:value> ?v . FILTER ( ?v < "70"^^xsd:double ) . [ <pred:fact_h> ?e ; <pred:fact_r> <retirement_age> ; <pred:fact_t> ?pv ] <end_time> ?qpv . ?qpv <pred:date> "2025-01-31"^^xsd:date .  }
Program:
function: Find
inputs: Belgium
function: QueryAttrUnderCondition
dependencies: 0
inputs: retirement age
end time
2025-01-31
function: VerifyNum
dependencies: 1
inputs: 70 years old
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