Question: Is Staat der Vatikanstadt the official name of the video game developer (starting in the year 1990) whose subreddit is lucasarts?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: no
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "video game developer" . ?e <subreddit> ?pv_1 . ?pv_1 <pred:value> "lucasarts" . ?e <official_name> ?pv . ?pv <pred:value> "Staat der Vatikanstadt" . [ <pred:fact_h> ?e ; <pred:fact_r> <official_name> ; <pred:fact_t> ?pv ] <start_time> ?qpv . ?qpv <pred:year> 1990 .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: subreddit
lucasarts
function: FilterConcept
dependencies: 1
inputs: video game developer
function: QueryAttrUnderCondition
dependencies: 2
inputs: official name
start time
1990
function: VerifyStr
dependencies: 3
inputs: Staat der Vatikanstadt