Question: Which time zone is shared by Italy and the Czech Republic?
Choices: Greenwich Mean Time
East Africa Time
Central European Time
Eastern Time Zone
Alaska Time Zone
Pacific Time Zone
Newfoundland Standard time
Eastern European Time
Atlantic Time Zone
Philippine Standard Time
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> "Italy" .  ?e_2 <located_in_time_zone> ?e . ?e_2 <pred:name> "Czech Republic" .  }
Program:
function: Find
inputs: Italy
function: Relate
dependencies: 0
inputs: located in time zone
forward
function: FilterConcept
dependencies: 1
inputs: time zone
function: Find
inputs: Czech Republic
function: Relate
dependencies: 3
inputs: located in time zone
forward
function: FilterConcept
dependencies: 4
inputs: time zone
function: And
dependencies: 2
5
function: What
dependencies: 6
Answer: Central European Time