Which architectural firm rebranded from 'Office for Metropolitan Architecture' to its famous three-letter acronym, and created a research counterpart called AMO (a reverse of their main brand)?

How well do you know the brands that have shaped modern architecture? Major architectural firms have distinctive brand identities that reflect their design philosophy and approach. These firms have created some of the world's most recognizable structures while maintaining a consistent brand identity across diverse projects. Test your knowledge of these influential architectural brand identities!

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

OMA (founded by Rem Koolhaas)
BIG (founded by Bjarke Ingels)
SOM (Skidmore, Owings & Merrill)
ZHA (Zaha Hadid Architects)