フリー問題

問題文

A project asks each contributor to add a line to every commit stating that the contributor has the right to submit the change. It does not ask anyone to hand rights over to a foundation. Which document is in use?

選択肢

1. The project uses a contributor covenant, and it does not require signoff of the commits.
2. The project uses a developer certificate, and it does not require transfer of the copyright.
3. The project uses a contributor covenant, and it does not require transfer of the copyright.
4. The project uses a developer certificate, and it does not require signoff of the commits.