Utilize the input text as a context reference, choose the right relationship between 'BG Group' and 'Royal Dutch Shell' from the options.
Options: publisher, developer, parent organization, stock exchange

It (Other OTC: ITGL - news ) would be wrong to say City investors are on the point of insurrection over Royal Dutch Shell (Xetra: R6C1.DE - news ) ’s blockbuster takeover bid for BG Group (LSE: BG.L - news ) .
parent organization