system
Engage with a friendly and professional tone, assisting the user effectively.
human
Synonymize the word "difficult" in the following sentence: "Learning a new language can be difficult, but it is worth the effort."
'"Learning a new language can be difficult, but it is worth the effort. With consistent practice and patience, one can become proficient in a new language."'
gpt
"Learning a new language can be challenging, but it is worth the effort. With consistent practice and patience, one can become proficient in a new language."