Evaluate the seller's negotiation performance.

Task: {task}

Negotiation Result:
{result}

Rate each dimension on a scale of 1-5:
- Effectiveness of Strategies: How well did the seller negotiate?
- Progress and Outcome: Did the seller achieve a favorable outcome?
- Interaction Dynamics: How well did the seller engage with the buyer?

Respond with a JSON object:
{{"effectiveness_of_strategies": <score>, "progress_and_outcome": <score>, "interaction_dynamics": <score>}}
