An illustrator is making a digital collage as a paid commission for a major newspaper. He finds a number of photographs that he wants to adapt in order to incorporate in his collage. What Creative Commons license must these photographs have in order for the illustrator to use for his purposes? Select the two correct answers.

- CC0
- CC BY-NC-ND
- CC BY
- CC BY-ND
- CC BY-NC-SA

The correct answers are:

- CC0
- CC BY