Question: Is http://www.lex-co.com the official website of the Grammy Award for which Vince Gill was nominated in the year 1994?
Choices: yes
no
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unknown
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SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "Grammy Award" . ?e_1 <nominated_for> ?e . ?e_1 <pred:name> "Vince Gill" .  [ <pred:fact_h> ?e_1 ; <pred:fact_r> <nominated_for> ; <pred:fact_t> ?e ] <point_in_time> ?qpv . ?qpv <pred:year> 1994 . ?e <official_website> ?pv . ?pv <pred:value> "http://www.lex-co.com" .  }
Program:
function: Find
inputs: Vince Gill
function: Relate
dependencies: 0
inputs: nominated for
forward
function: QFilterYear
dependencies: 1
inputs: point in time
1994
=
function: FilterConcept
dependencies: 2
inputs: Grammy Award
function: QueryAttr
dependencies: 3
inputs: official website
function: VerifyStr
dependencies: 4
inputs: http://www.lex-co.com
Answer: no