A riddle carved on an old oak tree trunk, a friendly cartoon bull reading the ri

a riddle carved on an old oak tree trunk, a friendly cartoon bull reading the riddle, fantasy forest setting, whimsical, colorful, vibrant, 4k, highly detailed, masterpiece, illustration, dynamic composition, magical, imaginative, warm lighting, soft shadows, playful, charming, engaging, inviting, storybook, whimsical, cute, adorable, appealing to children