A sports wristwatch product manufacturer wants to add a blood sugar monitoring toolkit to the watch. Market research has confirmed that the most profitable segment of the manufacturer's target customer is looking for this feature. The business analyst (BA) worked with the product owner to finalize the set of requirements and design options and then defined multiple approaches for implementing the feature. At this point, the solutions' team agreed that they were unable to accurately assess the merits of each of the proposed solutions.
What is the possible reason?