Question: Is tobacco smoking's OSM tag or key equal to Key:smoking?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: yes
SPARQL: ASK { ?e <pred:name> "tobacco smoking" . ?e <OSM_tag_or_key> ?pv . ?pv <pred:value> "Key:smoking" .  }
Program:
function: Find
inputs: tobacco smoking
function: QueryAttr
dependencies: 0
inputs: OSM tag or key
function: VerifyStr
dependencies: 1
inputs: Key:smoking