Question: When was the release of Vanity Fair in black-and-white?
Choices:
2012-05-16
2001-02-23
2011-12-22
2014-03-10
2011-07-15
1949
1932-01-01
1957-03-12
1981-03-13
1998-08-06
Program:
function: Find
inputs: black-and-white
function: Relate
dependencies: 0
inputs: color
backward
function: Find
inputs: Vanity Fair
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: publication date
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "Vanity Fair" . ?e <color> ?e_1 . ?e_1 <pred:name> "black-and-white" .  ?e <publication_date> ?pv .  }
Answer: 1932-01-01