as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
group the following list of shapes into 2d and 3d shapes: triangle, sphere, cylinder, square.
user
2d shapes: triangle, square

3d shapes: sphere, cylinder
assistant