Identify the underlined words (Gerund or Participle): Painting the old wooden fence was a laborious task, but the results were rewarding, Sarah and her brother, armed with brushes and buckets of paint, worked diligently, their hands soon covered in colorful streaks. The fence, once weathered and dull, was slowly transforming into a vibrant backdrop for their backyard. With each stroke of the brush, they could see the wood grain emerging, giving the fence a rustic charm. As they neared completion, a sense of accomplishment and satisfaction filled them, knowing that their hard work was turning their backyard into a beautiful haven.