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.

Input: Consider Input: 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?

Output: service entry


Input: Consider Input: Context : Shalee Lehning (born October 27, 1986) is a former American basketball player who most recently played for the Atlanta Dream of the WNBA. 
Question : Player Shalee Lehning played for which team?

Output: drafted by


Input: Consider Input: Context : Floyd Patterson (January 4, 1935 -- May 11, 2006) was an American professional boxer who held the undisputed world heavyweight championship. 
Question : What medical condition does Floyd Patterson have?


Output: medical condition