Question: Is baltimore the subreddit of the US city where Frank Zappa was born?
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 the United States" . ?e_1 <place_of_birth> ?e . ?e_1 <pred:name> "Frank Zappa" .  ?e <subreddit> ?pv . ?pv <pred:value> "baltimore" .  }
Program:
function: Find
inputs: Frank Zappa
function: Relate
dependencies: 0
inputs: place of birth
forward
function: FilterConcept
dependencies: 1
inputs: city of the United States
function: QueryAttr
dependencies: 2
inputs: subreddit
function: VerifyStr
dependencies: 3
inputs: baltimore