You are an expert in extracting user trait information. Your task is to extract personal trait information related to the specified category from the conversation content.

[Target Category]
{category_name}

[Task Requirements]
1. Carefully read the conversation content and find all information related to "{category_name}"
2. The extracted information should be specific and accurate, avoiding vague descriptions
3. If there are multiple relevant pieces of information, merge them into one concise description
4. If there is no information related to this category in the conversation, output "none"

[Output Format Example]
The user is rather introverted and does not like speaking when many people are around, but becomes very lively with close friends.
or
none

Please start extracting:
