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

LONDON (ShareCast) - (ShareCast News) - HSBC upgraded its stance on Royal Dutch Shell (Xetra: R6C1.DE - news ) and BG Group (LSE: BG.L - news ) to 'buy' from 'hold' as it took a look at global integrated oil companies.
parent organization