Question: What literary work mainly depicts alcoholism?
Choices: Dune
The Lost Weekend
The Shining
The Portrait of a Lady
Ted
Harry Potter and the Prisoner of Azkaban
Pretty Little Liars
Into the West
Who's Afraid of Virginia Woolf?
A Star Is Born
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "literary work" . ?e <main_subject> ?e_1 . ?e_1 <pred:name> "alcoholism" .   }
Program:
function: Find
inputs: alcoholism
function: Relate
dependencies: 0
inputs: main subject
backward
function: FilterConcept
dependencies: 1
inputs: literary work
function: What
dependencies: 2
Answer: The Lost Weekend