Question: What time zone matches the time zone of Arkansas and also the time zone of Mississippi (in the USA) ?
Choices:
Newfoundland Standard time
Eastern Time Zone
Atlantic Time Zone
Eastern European Time
Philippine Standard Time
East Africa Time
Central Time Zone
Greenwich Mean Time
Mountain Time Zone
Central European Time
Answer: Central 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> "Arkansas" .  ?e_2 <located_in_time_zone> ?e . ?e_2 <pred:name> "Mississippi" . ?e_2 <country> ?e_3 . ?e_3 <pred:name> "United States of America" .  }
Program:
function: Find
inputs: Arkansas
function: Relate
dependencies: 0
inputs: located in time zone
forward
function: FilterConcept
dependencies: 1
inputs: time zone
function: Find
inputs: United States of America
function: Relate
dependencies: 3
inputs: country
backward
function: Find
inputs: Mississippi
function: And
dependencies: 4
5
function: Relate
dependencies: 6
inputs: located in time zone
forward
function: FilterConcept
dependencies: 7
inputs: time zone
function: And
dependencies: 2
8
function: What
dependencies: 9