Briefly (one sentence each) describe one key issue for each of these stages of the Acceptance test phase of a project. The issue you choose might be a key goal of that stage, or a pitfall to be avoided, or a problem that needs to be overcome, or a benefit obtained from doing that stage well.

1. Define acceptance criteria.

2. Plan acceptance testing.

3. Derive acceptance tests.

4. Run acceptance tests.

5. Negotiate test results.

6. Reject/accept system.