classify each feedback example as either constructive of non constructive
1. "Great job on the presentation, your slides were well-designed and your delivery was confident." - Constructive
2. "Your work is terrible, you clearly didn't put any effort into it." - Non-constructive
3. "I think you can improve on your time management skills, as you often miss deadlines." - Constructive
4. "You're just not cut out for this job, you should consider a different career." - Non-constructive
5. "I appreciate your effort, but there are some areas where you can refine your writing for better clarity." - Constructive
6. "You always make the same mistakes, it's frustrating to work with you." - Non-constructive
7. "Your ideas are solid, but there could be more evidence provided to support your arguments." - Constructive
8. "You're such a lazy person, I can't believe you're still employed here." - Non-constructive
9. "Your attention to detail is commendable, but you might want to work on your communication skills." - Constructive
10. "You're a genius, there's nothing you need to improve on." - Non-constructive