pika/v2.1/text-to-video Prompt: Alright, we have a story of ducks almost flying off a cliff, but making it safely back to earth. We need to make the next scene. The ducks meet Mr. Grumpy frog. Specifically the grumpy from Japanese artist Matsumoto Hoji in 1814 . The ducks and Mr. Grumpy from start to be friends.