from typing import Dict


def process_results(metrics: Dict) -> str:
    """Filter to include only useful metrics from trainer.predict()'s output

    Args:
        metrics (Dict): Metrics from trainer.predict()

    Returns:
        str: str containing relevant eval metrics
    """
    results = {k: v for k, v in metrics.items() if k in ["eval_loss", "eval_qwk"]}
    return str(results)