## Turn 1

We need to respond to user: "We need to choose between Model A and Model B for production. We know accuracy and latency but do not know memory use or failure rate. Recommend a decision. The correct response should not invent missing metrics."

So we need to advise them that we can't make a recommendation without missing metrics. We can suggest gathering missing data or using risk assessment. We should not invent metrics. Provide guidance. Also mention that we need to consider trade-offs. Provide a balanced recommendation: maybe choose the one with higher accuracy if latency acceptable, but need memory/failure data. Suggest to gather those metrics. Also mention that if one has significantly better accuracy and latency, might be chosen, but risk unknown. Provide decision framework. Also mention that we can use cost-benefit analysis. Provide steps: gather missing metrics, evaluate risk, maybe run pilot. Provide no invented numbers. Provide a recommendation: cannot decide yet. Provide guidance.