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><image 1> This work draws inspiration from works like
A. the Great Stupa at Sanchi
B. the Serpent Mound in Ohio
C. Machu Picchu in Peru
D. the ruins of the city of Pompeii

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
B
<image 1> This work draws inspiration from works like
A. the Great Stupa at Sanchi
B. the Serpent Mound in Ohio
C. Machu Picchu in Peru
D. the ruins of the city of Pompeii

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