Question: What animated film was done in black-and-white?
Choices: David Copperfield
Who Framed Roger Rabbit
Hamlet
Heart
Flash Gordon
Never Let Me Go
Puss in Boots
Metropolis
The Polar Express
The Three Musketeers
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "animated film" . ?e <color> ?e_1 . ?e_1 <pred:name> "black-and-white" .   }
Program:
function: Find
inputs: black-and-white
function: Relate
dependencies: 0
inputs: color
backward
function: FilterConcept
dependencies: 1
inputs: animated film
function: What
dependencies: 2
Answer: Puss in Boots