A biblical scene from Mark 9:28, 'And when he was come into the house, his disciples asked him privately, Why could not we cast him out?' Visualize a man entering an ancient Middle-Eastern house, around him intrigued disciples who are asking him questions in a private, intimate setting. The man has the attention of everyone in the room as they try to grasp his words. Please create this image in the style of digital art, with sharp contrasts, vibrant colors, and a modern interpretation of the ancient context.