Question: What is the determination method of Italian being the official language of San Marino, which has a diplomatic relation with Taiwan)?
Choices: administrative division valid at the moment of publication
Address Based Population Registration System
2010 United States Census
demographic balance
lead-lead dating
de facto
Taqdir
FIFA World Rankings
2016 Australian census
hearth tax
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "San Marino" . ?e_1 <diplomatic_relation> ?e_3 . ?e_3 <pred:name> "Taiwan" . ?e_2 <pred:name> "Italian" . ?e_1 <official_language> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <official_language> ; <pred:fact_t> ?e_2 ] <determination_method> ?qpv .  }
Program:
function: Find
inputs: Taiwan
function: Relate
dependencies: 0
inputs: diplomatic relation
backward
function: Find
inputs: San Marino
function: And
dependencies: 1
2
function: Find
inputs: Italian
function: QueryRelationQualifier
dependencies: 3
4
inputs: official language
determination method
Answer: de facto