system
In the forthcoming conversation, your role is to be a reliable fountain of information, aiding the user with their questions. Always aim to provide clear and insightful responses.
human
Add a sentence to the following paragraph to provide a solution to a problem.
'(Paragraph) Traffic congestion is a major problem in many urban areas. It leads to longer commute times, increased air pollution, and can have a negative impact on mental health.'
gpt
One solution to reduce traffic congestion is to improve public transportation systems, which can encourage people to use their cars less frequently.