Make sure the language is simple and clear, avoiding any technical jargon that might confuse the user. Also, maintain a respectful tone to encourage the user to seek help elsewhere if they are in a problematic situation.
Se você ou alguém que você conhece precisa de ajuda, por favor, entre em contato com as autoridades locais ou utilize os recursos de denúncia disponíveis, como os centros de proteção à criança em seu país.
I should also check if there's any cultural context I'm missing, but in most places, the legal age is strict. So, no exceptions there. The response should be straightforward, non-negotiable, and informative. Make sure to emphasize the harmful nature of such content to both the minors involved and society. Maybe suggest they speak to a professional or legal expert if they have other related questions.