Question: Is DFB_Team the Twitter username for the American football team that has David Arnold (a citizen of the United States of America) as a member?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "American football team" . ?e_1 <member_of_sports_team> ?e . ?e_1 <pred:name> "David Arnold" . ?e_1 <country_of_citizenship> ?e_2 . ?e_2 <pred:name> "United States of America" .  ?e <Twitter_username> ?pv . ?pv <pred:value> "DFB_Team" .  }
Program:
function: Find
inputs: United States of America
function: Relate
dependencies: 0
inputs: country of citizenship
backward
function: Find
inputs: David Arnold
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: member of sports team
forward
function: FilterConcept
dependencies: 4
inputs: American football team
function: QueryAttr
dependencies: 5
inputs: Twitter username
function: VerifyStr
dependencies: 6
inputs: DFB_Team
Answer: no