Question: What is the connection between Aachen (the one whose official website is http://www.aachen.de/) to Germany?
Choices:
operating area
has effect
natural product of taxon
notable people with this condition
conflict
replaces
mother
country
architect
soundtrack album
Answer: country
SPARQL: SELECT DISTINCT ?p WHERE { ?e_1 <pred:name> "Aachen" . ?e_1 <official_website> ?pv . ?pv <pred:value> "http://www.aachen.de/" . ?e_2 <pred:name> "Germany" . ?e_1 ?p ?e_2 .  }
Program:
function: Find
inputs: Aachen
function: FilterStr
dependencies: 0
inputs: official website
http://www.aachen.de/
function: Find
inputs: Germany
function: QueryRelation
dependencies: 1
2