Good point, happened I had one today that appeared impossible, yet (of course) it was easily understandable once the root cause was found. The Zebra test is a

Good point, happened I had one today that appeared impossible, yet (of course) it was easily understandable once the root cause was found. The Zebra test is a good friend. [0] https://en.wikipedia.org/wiki/Zebra_%28medicine%29 https://en.wikipedia.org/wiki/Zebra_%28medicine%29