Work Breakdown Schedules, Uncertainty, and Dependency Relationships. Write a develop a three to five (3–5) page paper that addresses the following: Describe the elements of the project plan that depend on the WBS, and provide examples of any four (4). Discuss the potential risks and circumstances under which it might be appropriate to use a WBS from a previous project rather than develop a new one. Explain why it is useful to have a complete WBS before engaging in formal uncertainty assessment. Explain the difference between hard logic and soft logic for establishing dependency relationships in project schedules and offer a creative example (not from the text) for each one.