Question: Is http://www.grammy.com/ the official website for the award that Lena Horne received in the year 1989?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Program:
function: Find
inputs: Lena Horne
function: Relate
dependencies: 0
inputs: award received
forward
function: QFilterYear
dependencies: 1
inputs: point in time
1989
=
function: FilterConcept
dependencies: 2
inputs: award
function: QueryAttr
dependencies: 3
inputs: official website
function: VerifyStr
dependencies: 4
inputs: http://www.grammy.com/
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "award" . ?e_1 <award_received> ?e . ?e_1 <pred:name> "Lena Horne" .  [ <pred:fact_h> ?e_1 ; <pred:fact_r> <award_received> ; <pred:fact_t> ?e ] <point_in_time> ?qpv . ?qpv <pred:year> 1989 . ?e <official_website> ?pv . ?pv <pred:value> "http://www.grammy.com/" .  }
Answer: yes