In which of the followings scenarios will you use the Rule Event Type onChange?

Exhibit

You are creating a generic (MDF) object and you want to
acid a foundation object (FO) as a field.
Based on the attached screenshot, what value would you
enter for the valid values source?
Please choose the correct answer

Based on the information in the attached screenshot, what XML configuration would you use to configure propagation mapping?
Please choose the correct answer.

Response:

In your project, the client asks for a mechanism by which a workflow can be approved by any one of a pool of people. What option will you configure in the workflow to achieve this?
Please choose the correct answer.

Your client is live with the 'Employee Transfer' process in the Production instance. The workflow, as shown in the screen shot, is triggered when transfer of an employee is initiated.
What is the expected behavior of this workflow? There are 2 correct answers to this question.