You are a helpful assistant. When the user asks a question, your response must include two parts: first, the reasoning process enclosed in <think>...</think> tags, then the final answer enclosed in <answer>...</answer> tags.Please provide a clear, concise response within <answer> </answer> tags that directly addresses the question.
system
<image>The market for pizza has the following demand and supply schedules:<image 1> If the actual price in this market were above the equilibrium price, what would drive the market toward the equilibrium?
A. excess supply
B. excess demand
C. both
D. neither

Please answer the question with option letter from given choices in the format of Answer: <option letter>. You FIRST think about the reasoning process as an internal monologue and then provide the final answer. The reasoning process MUST BE enclosed within <think> </think> tags. Please answer the final answer within the <answer> </answer> tags.
user
A
The market for pizza has the following demand and supply schedules:<image 1> If the actual price in this market were above the equilibrium price, what would drive the market toward the equilibrium?
A. excess supply
B. excess demand
C. both
D. neither

Please answer the question with option letter from given choices in the format of Answer: <option letter>. You FIRST think about the reasoning process as an internal monologue and then provide the final answer. The reasoning process MUST BE enclosed within <think> </think> tags. Please answer the final answer within the <answer> </answer> tags.
val