TASK DEFINITION: Classify the relation of question with context to one of these categories: 1) award received, 2) based on, collection, 3) conflict, 4) constellation, 5) convicted of, 6) date of death, 7) director, 8) drafted by, 9) educated at, 10) medical condition, 11) military branch, 12) narrative location, 13) occupation, 14) original network, 15) parent company, 16) point in time, 17) production company, 18) residence, 19) series, 20) service entry, 21) sex or gender, 22) spouse, 23) standards body question.
PROBLEM: Context : Lý Tòng Bá (1931 -- 22 February 2015, Las Vegas, Nevada) is a former brigadier general of the South Vietnamese Army of the Republic of Vietnam. 
Question : What military branch was Lý Tòng Bá in?

SOLUTION: military branch

PROBLEM: Context : ISO 3166-2:VE is the entry for Venezuela in ISO 3166-2, part of the ISO 3166 standard published by the International Organization for Standardization (ISO), which defines codes for the names of the principal subdivisions (e.g., provinces or states) of all countries coded in ISO 3166-1. 
Question : Who set the standards for ISO 3166-2:VE?

SOLUTION: standards body

PROBLEM: Context : Lieutenant-General John Home Home was an officer of the British Army. 
Question : What armed force was John Home Home a part of?

SOLUTION:
military branch