Explain the ending of given movie. Shutter Island
startend:quotation change_case:english_lowercase keywords:forbidden_words length_constraints:number_words keywords:frequency length_constraints:number_paragraphs detectable_format:number_highlighted_sections
health
at least
less than
relationships
Your answer need to be wrapped in double quotes All letters in your response must be lower case letters The words health cannot be in the response Keep your entire response at least 13 words or less. Mention the word "relationships" for less than 2 times Please reply in details, and include exactly 3 paragraphs. Separate the paragraphs with *** Make sure to highlight at least 2 sections in your answer with markdown, i.e. use *highlighted section*