The project team creates the WBS. 1 is incorrect. Stakeholders do not create the WBS. Consider a project that may have thousands of stakeholders—it would be impractical to have them contribute to the creation of the WBS. In addition, they likely would not have the required skills to contribute to the WBS. 2 is incorrect because the project sponsor does not create the WBS. 3 is incorrect as well. The project manager does not create the WBS. He may contribute, guide, and facilitate the process, but it is not a solo activity.