Answer:
Generating alternatives
Explanation:
Brainstorming is a process of generating alternatives for a particular by coordination and communication of the issues with the team members.
Its the team leader's job to address the issues to the employees that this is the issue and this is the an solution option but we need an option which suits the organization i.e, the option possesses this this this features in it. So the stage that comes before evaluation of an option is generating alternatives. This also includes the writing down of ideas, suggestions and other sort of inclusion in the alternative.