Oil producers decline Oil producers, including Royal Dutch Shell (Xetra: R6C1.DE - news ) and BG Group (LSE: BG.L - news ) , headed south as Brent crude hovered just under $49 per barrel, the lowest level since January.
Refer to the input text as context and select the correct relationship between 'BG Group' and 'Royal Dutch Shell' from the available options.
Options: platform, chairperson, position held, parent organization