Question: Did Mark Twain, who has a CANTIC-ID that is a10166221, not start working in 1974?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Program:
function: Find
inputs: Mark Twain
function: FilterStr
dependencies: 0
inputs: CANTIC-ID
a10166221
function: QueryAttr
dependencies: 1
inputs: work period (end)
function: VerifyYear
dependencies: 2
inputs: 1974
!=
SPARQL: ASK { ?e <pred:name> "Mark Twain" . ?e <CANTIC-ID> ?pv_1 . ?pv_1 <pred:value> "a10166221" . ?e <work_period_(end)> ?pv . ?pv <pred:year> ?v . FILTER ( ?v != 1974 ) .  }
Answer: yes