A Product Goal is reached exactly as defined, and the outcome it was meant to produce does not appear. What does this most likely reveal?

• AThe Scrum Team did not build the items to a sufficient standard.
• BThe connection between the goal and the outcome was an assumption, and it has now been tested and found wrong.
• CThe goal was a good forecast and the measurement window was too short.
• DThe Product Goal should not have been abandoned once achieved.