Question: What is the official website of the record label that is the recording company of Angel (whose record label is Nettwerk)?
Choices: https://www.minnmusic.com/
https://www.granadacf.es/
http://www.takenmovie.com
http://www.ssv-jahn.de/index.php
http://www.nwpr.bc.ca/parks%20web%20page/irving%20hse.html
http://www.leonardbernstein.com/
http://www.sbs.co.kr/
http://nettwerk.com/
http://www.ringostarr.com
http://www.monmouthshire.gov.uk/
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "record label" . ?e_1 <record_label> ?e . ?e_1 <pred:name> "Angel" . ?e_1 <record_label> ?e_2 . ?e_2 <pred:name> "Nettwerk" .  ?e <official_website> ?pv .  }
Program:
function: Find
inputs: Nettwerk
function: Relate
dependencies: 0
inputs: record label
backward
function: Find
inputs: Angel
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: record label
forward
function: FilterConcept
dependencies: 4
inputs: record label
function: QueryAttr
dependencies: 5
inputs: official website
Answer: http://nettwerk.com/