1The artist's unconventional use of materials and techniques sparked controversy in the art world.
2Is it true that the company's unconventional business model has been successful despite initial skepticism?
3The new policy has been criticized for its unconventional approach to addressing the economic crisis.
4Try to think of unconventional solutions to the environmental problems we face today.
5The unconventional lifestyle of the celebrity has been the subject of much media attention and public fascination.