as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
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generate five unique titles for a thriller novel.
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1. the strangers in the shadows 
2. terror below the surface 
3. betrayed in the thick of night 
4. deathwatch: a narrow escape 
5. the riddle of dreadful deceit
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