I would like to discuss a task similar to “The client said yes. Now agree what that means.”

A possible distinction: The proposal is still being discussed.

Possible first output: A scope description with assumptions, exclusions and questions about the proposal.

I would like to check whether this first step fits our task and discuss terms for further work.

Our situation: [add details]
What we want to change: [add details]
What we have tried: [add details]