Question: What is the time zone of Greater London which is equal to it.
Choices: East Africa Time
Atlantic Time Zone
Greenwich Mean Time
Eastern Time Zone
Mountain Time Zone
Newfoundland Standard time
Eastern European Time
Central European Time
Philippine Standard Time
Pacific Time Zone
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "time zone" . ?e_1 <located_in_time_zone> ?e . ?e_1 <pred:name> "Greater London" .   }
Program:
function: Find
inputs: Greater London
function: Relate
dependencies: 0
inputs: located in time zone
forward
function: FilterConcept
dependencies: 1
inputs: time zone
function: What
dependencies: 2
Answer: Greenwich Mean Time