Royal Dutch Shell (Xetra: R6C1.DE - news ) agreed to buy smaller rival BG Group for $70 billion in the first large oil merger in more than a decade in April, giving the Anglo-Dutch company access to BG's multi-billion dollar projects in Brazil, East Africa, Australia, Kazakhstan and Egypt.
Refer to the input text as context and select the correct relationship between 'BG Group' and 'Royal Dutch Shell' from the available options.
Options: product/material produced, chief executive officer, original broadcaster, parent organization