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 type of  water in the <image 1> is located on the surfaces of individual soil particles. And this type of water is largely unavailable to plants because it is held firmly by molecular attractions so strong that they can not be broken by plants or through evaporation. 
A. Gravitational water
B. Capillary water
C. Hygroscopic water

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
C
which type of  water in the <image 1> is located on the surfaces of individual soil particles. And this type of water is largely unavailable to plants because it is held firmly by molecular attractions so strong that they can not be broken by plants or through evaporation. 
A. Gravitational water
B. Capillary water
C. Hygroscopic water

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