A team is evaluating Copilot for routine maintenance. Which two practices provide the most useful evidence for a responsible adoption decision? Select 2 answers.

1. Disable reporting of rejected suggestions to avoid discouraging adoption.
2. Rank developers by the number of generated lines they accept.
3. Start with a bounded pilot and collect developer feedback about errors and workflow fit.
4. Measure completed-task time together with defects and review effort on comparable work.
5. Assume benefits from one language apply equally to every team and task.