You are preparing a short resource pack for a classroom discussion titled 'Ethical Implications of Artificial Intelligence'. The instructor asks for four deliverables to share with classmates: a concise essay, examples with ethical notes, a problem–solution list, and a brief concluding statement to spark debate.

a. Write a 150-word composition on "Ethical Implications of Artificial Intelligence".

b. Give four everyday applications of AI and name one ethical concern for each (short phrases).

c. Identify three major ethical challenges posed by AI and propose one practical mitigation for each.

d. Compose a 30-word concluding sentence that emphasizes responsible AI development.