The Secret of The Purple Reef is a 1960 20th Century Fox CinemaScope DeLuxe Color film based on a short story by Dorothy Cottrell entitled "The Silent Reefs".
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. ### Instruction: List the MITRE techniques contained in the text. ### Input: The Secret of The Purple Reef is a 1960 20th Century Fox CinemaScope DeLuxe Color film based on a short story by Dorothy Cottrell entitled "The Silent Reefs". ### Response: .