Question: tell me the family language that is the official language of the unitary state that uses the demonym косоварка
Choices: TLC
Oakland
Candlelight Records
Serbian
Yue Chinese
Mandarin Chinese
Jamaica
Albanian
Austronesian languages
Afro-Asiatic languages
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "language family" . ?e_1 <official_language> ?e . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "unitary state" . ?e_1 <demonym> ?pv . ?pv <pred:value> "косоварка" .   }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: demonym
косоварка
function: FilterConcept
dependencies: 1
inputs: unitary state
function: Relate
dependencies: 2
inputs: official language
forward
function: FilterConcept
dependencies: 3
inputs: language family
function: What
dependencies: 4
Answer: Albanian