Question: Which programming language is used for artificial intelligence?
Choices: Perl
PHP
New Zealand
C++
Java
Lisp
C#
Python
C
Julia
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "programming language" . ?e <use> ?e_1 . ?e_1 <pred:name> "artificial intelligence" .   }
Program:
function: Find
inputs: artificial intelligence
function: Relate
dependencies: 0
inputs: use
backward
function: FilterConcept
dependencies: 1
inputs: programming language
function: What
dependencies: 2
Answer: Lisp