What should the Release Train Engineer do during the final plan review on Day two of Program Increment (PI) Planning?

1. Facilitate the ROAMing of each team's risks

2. Verify that each team's uncommitted objectives have lower business value than the committed PI Objectives in order to reflect proper prioritization

3. Facilitate all teams when they are presenting their final plans to the entire Agile Release Train

4. Encourage discussion of each team's product Vision as part of the final plan review