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>In the scenario below, imagine that you're sending an http request to another machine somewhere on the network. <image 1> What layer in the IP stack best corresponds to the phrase: 'moves datagrams from the source host to the destination host'
A. Application Layer
B. Transport Layer
C. Network Layer
D. Link Layer
E. Physical Layer

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
In the scenario below, imagine that you're sending an http request to another machine somewhere on the network. <image 1> What layer in the IP stack best corresponds to the phrase: 'moves datagrams from the source host to the destination host'
A. Application Layer
B. Transport Layer
C. Network Layer
D. Link Layer
E. Physical Layer

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