I have
The American cordillera consists of an essentially continuous sequence of mountain ranges that form the western "backbone" of North America, Central America and South America.
and
The Office of Gas and Electricity Markets (Ofgem), working for the Gas and Electricity Markets Authority (GEMA), is the government regulator for the electricity and downstream natural gas markets in Great Britain. It was formed by the merger of the Office of Electricity Regulation (OFFER) and Office of Gas Supply (Ofgas).
And went for OFFER as it was an electricity only watchdog.
So, I'd say both answers were correct.