instruction:
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.
question:
Context : The BMP-3 is designed and produced by the Kurganmashzavod (``Kurgan Machine Building Plant'') some variants however are built by the Rubtsovsk Machine Building Plant (RMZ), for example the BRM-3K. 
Question : What year was BMP-3 introduced?
answer:
service entry


question:
Context : Radha Hi Bawari is a romantic drama on Zee Marathi televised every Monday to Saturday at 7:30pm. 
Question : The show Radha Hi Bawari originally aired on what network?
answer:
original network


question:
Context : Alessandro Buzio died on 1 October 1972. 
Question : What conflict involved Alessandro Buzio?
answer:

conflict