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
provide an example of a sentence structure with a noun clause.
user
here is an example of a sentence structure with a noun clause: 
"we do not know what the teacher said." 
the noun clause in this sentence is "what the teacher said".
assistant