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 graph below shows the AD-AS diagram for Spain. Suppose that the economy experiences a positive aggregate supply shock denoted by the move from SRAS1 to SRAS2. Note that the new curve is shown in gray. <image 1> What happened to the structural unemployment in Spain (select one)?
A. Structural unemployment remained the same.
B. Structural unemployment decreased.
C. Structural unemployment increased.

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 graph below shows the AD-AS diagram for Spain. Suppose that the economy experiences a positive aggregate supply shock denoted by the move from SRAS1 to SRAS2. Note that the new curve is shown in gray. <image 1> What happened to the structural unemployment in Spain (select one)?
A. Structural unemployment remained the same.
B. Structural unemployment decreased.
C. Structural unemployment increased.

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