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 : State testing began on 24 November 1974, and the Kh-25 entered production in 1975. 
Question : What year was the service entry date for Kh-25?

Output: service entry


Input: Consider Input: Context : Histeria! is an American animated series created by Tom Ruegger and produced by Warner Bros. Animation. 
Question : What network broadcast Histeria!?

Output: original network


Input: Consider Input: Context : Gasum Oy is an integrated gas company located in Espoo, Finland. 
Question : Which company is the parent company of Gasum?


Output: parent company