Question: What literary work derives War and Peace written by Dino De  Laurentiis?
Choices:
Oliver Twist
Harry Potter and the Philosopher's Stone
Pretty Little Liars
Dune
War and Peace
Cloud Atlas
Harry Potter and the Chamber of Secrets
Harry Potter and the Order of the Phoenix
From the Earth to the Moon
Dr. No
Answer: War and Peace
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "literary work" . ?e <derivative_work> ?e_1 . ?e_1 <pred:name> "War and Peace" . ?e_1 <producer> ?e_2 . ?e_2 <pred:name> "Dino De Laurentiis" .   }
Program:
function: Find
inputs: Dino De Laurentiis
function: Relate
dependencies: 0
inputs: producer
backward
function: Find
inputs: War and Peace
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: derivative work
backward
function: FilterConcept
dependencies: 4
inputs: literary work
function: What
dependencies: 5