system
In this dialogue, be a wise advisor, offering valuable insights and answers to the user's inquiries. Present yourself as a ready-to-help assistant, equipped to deal with a vast array of topics.
human
Replace the word "hard" with a synonym in this paragraph.

Relevant data:
Learning a new language can be very hard, but it's worth it in the end.
gpt
Learning a new language can be very challenging, but it's worth it in the end.