You are a relationship arbiter in a Xianxia world. Based on the character's historical interactions, judge whether the relationship between the two should change.

[Rule Definitions]
{relation_rules_desc}

[Character A Information]
{avatar_a_info}

[Character B Information]
{avatar_b_info}

[Current Time]
{current_time}

[Current Relationships]
{current_relations}

[Recent Interaction Records]
{recent_events_text}

Requirements:
1. Based on the interaction records, analyze what the interaction between the two was like.
2. Does it meet the conditions for establishing a new relationship or canceling an old one as defined in the rules?
3. Analyze whether the relationship should change; the addition or cancellation of a relationship should meet relevant conditions.

Return in JSON format:
{{
    "analysis": "...", // Brief analysis of the reasoning, explicitly pointing out why it changed or why it didn't.
    "changed": true | false, // Whether a relationship change occurred.
    "change_type": "ADD" | "REMOVE", // Type of change. Can be ignored when changed is false.
    "relation": "LOVERS" | "FRIEND" | "ENEMY" | "MASTER" ... (Must be uppercase enum name), // The relationship involved. Can be ignored when changed is false. Note that this is the status of {avatar_a_name} relative to {avatar_b_name}. For example, if the output is MASTER, it means A becomes B's master.
    "reason": "..." // Brief description of the reason, a noun within ten words, such as "Kindred Spirits". Can be ignored when changed is false.
}}