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 : Designated MA-31 in US service, the first launch of the missile took place in August 1996. 
Question : In which year was the service entry date for MA-31?

SOLUTION: service entry

PROBLEM: Context : ISO 3166-2:KH is the entry for Cambodia 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:KH?

SOLUTION: standards body

PROBLEM: Context : Love Is a Many Splendored Thing focused on lives and loves in San Francisco, California. 
Question : Which place does Love Is a Many Splendored Thing exist in?

SOLUTION:
narrative location