Your question is Resolve Conflict With a Colleague. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
You and a colleague disagreed on how to move an important piece of work forward, and the conflict had the potential to slow progress or damage the working relationship if handled poorly.
Describe a conflict you had with a colleague and how you resolved it.