Invent creative options to achieve satisfactory agreements

State the problem
Try to be as specific as possible. Write it down.

Analyze the problem and its possible causes
Write down at least 3-5 possible causes.

Brainstorm broad ideas on how to solve the problem
Write down at least 3-5 of your ideas.

Create specific directions to deal with the situation
Do so in specific steps, organize them in a logical order.

Search for mutual gains
Identify shared interests of all sides and write them down on a sheet of paper.

Combine it all together!
Use information gathered in previous steps to come up with new creative options. List them all on a sheet of paper.