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>Which of the following options is consistent with the unit cell plane depicted below? <image 1>
A. SC {100}
B. BCC {100}
C. FCC {100}
D. SC {110}
E. BCC {110}
F. FCC {110}
G. SC {111}
H. BCC {111}
I. FCC {111}

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
F
Which of the following options is consistent with the unit cell plane depicted below? <image 1>
A. SC {100}
B. BCC {100}
C. FCC {100}
D. SC {110}
E. BCC {110}
F. FCC {110}
G. SC {111}
H. BCC {111}
I. FCC {111}

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