You receive an upsetting email from a colleague.
Do you: (A) call your colleague or (B) email back?
The best answer is usually A.
When you call (or email), do you: (A) assume positive intent and seek clarification by asking a question or (B) let them know how wrong they are?
You know the answer to that one.
The best combination is usually A-A and the worse is B-B.