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
create a multiple-choice question in which the answer is mars.
user
which planet has the composition of primarily carbon dioxide and is reddish in color?
a) earth 
b) venus 
c) jupiter 
d) mars
assistant