Question: Is FLOTUS the Twitter username for a position whose official website, in English language, is  http://www.whitehouse.gov/about/first_ladies/ ?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: yes
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "position" . ?e <official_website> ?pv_1 . ?pv_1 <pred:value> "http://www.whitehouse.gov/about/first_ladies/" . [ <pred:fact_h> ?e ; <pred:fact_r> <official_website> ; <pred:fact_t> ?pv_1 ] <language_of_work_or_name> ?qpv . ?qpv <pred:value> "English" . ?e <Twitter_username> ?pv . ?pv <pred:value> "FLOTUS" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official website
http://www.whitehouse.gov/about/first_ladies/
function: QFilterStr
dependencies: 1
inputs: language of work or name
English
function: FilterConcept
dependencies: 2
inputs: position
function: QueryAttr
dependencies: 3
inputs: Twitter username
function: VerifyStr
dependencies: 4
inputs: FLOTUS