You make reasonable assumptions to how to solve a challenge, you execute well, and still, you fail.
This is either because your assumptions were false or because you did not know something. This is a very helpful fail because you just created a data point from which we for the next challenge.
- You don't make assumptions
- you don't have a success plan that works at least on a piece of paper
- You execute poorly
This is a bad fail because you from that failure.