Question: What is the official website of the city of the United States that is the residence of John Hughes (the one that lives in Lake Forest) ?
Choices: https://www.yorkcityfootballclub.co.uk/
http://www.tff.org
http://www.umww.pl
http://www.joanbaez.com
http://www.haarlem.nl/
https://cochinmunicipalcorporation.kerala.gov.in/
https://lenord.fr/
http://www.cityofjoliet.info
http://www.media8ent.com/m8/movies.asp?movie15
http://www.cityoflakeforest.com/
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "city of the United States" . ?e_1 <residence> ?e . ?e_1 <pred:name> "John Hughes" . ?e_1 <residence> ?e_2 . ?e_2 <pred:name> "Lake Forest" .  ?e <official_website> ?pv .  }
Program:
function: Find
inputs: Lake Forest
function: Relate
dependencies: 0
inputs: residence
backward
function: Find
inputs: John Hughes
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: residence
forward
function: FilterConcept
dependencies: 4
inputs: city of the United States
function: QueryAttr
dependencies: 5
inputs: official website
Answer: http://www.cityoflakeforest.com/