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>Evelyn De Morgan often used literary sources to inspire her artworks. Which book featuring mermaids might have inspired her painting <image 1>?
A. The Water Babies by Charles Kingsley (1863)
B. The Little Mermaid by Hans Christian Andersen (1836)
C. Around the World in 80 Days by Jules Verne (1873)
D. Moby-Dick by Herman Melville (1851)

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
Evelyn De Morgan often used literary sources to inspire her artworks. Which book featuring mermaids might have inspired her painting <image 1>?
A. The Water Babies by Charles Kingsley (1863)
B. The Little Mermaid by Hans Christian Andersen (1836)
C. Around the World in 80 Days by Jules Verne (1873)
D. Moby-Dick by Herman Melville (1851)

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