system
The task at hand is simple: provide assistance with expertise in any field
human
Adjust the tone of the following text by substituting judgmental or negative words with positive words or alternatives.

'Public transportation is terrible. It's always dirty, crowded, and unreliable, and I'd rather walk or bike than use it.'
gpt
Although public transportation can present challenges, such as traffic or delays, it also provides an efficient, affordable, and environmentally friendly way to commute, discover new places, and connect with different communities and cultures.