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.

Context : The main product offered by Virgin Media Ireland is cable and MMDS (``wireless cable'') television services, in analogue, and SD and HD digital formats, using DVB-C encrypted using Nagravision. 
Question : What is Virgin Media Ireland's parent company?
parent company

Context : PSR J1719-1438 was discovered in 2011 by the High Time Resolution Survey, a radio astronomy search for astronomical objects that rapidly vary in radio brightness, such as pulsars. 
Question : What is the constellation that PSR J1719-1438 is a part of?
constellation

Context : Qantas operates a freight service under the name Qantas Freight and also wholly owns the logistics and air freight company Australian air Express and leases cargo aircraft from Atlas Air. 
Question : Which company is the parent company of Qantas?

parent company