text sign showing mission impossible. conceptual photo difficult dangerous assignment unimaginable task

against assignment battle difficult futile hard hopeless impossible impracticable imprint isolated mission objection operation target task unthinkable warning dangerous pessimistic pessimist hazy complex roadblock close minded complicated far out intricate oppressive labyrinthine sensitive tricky absurd unknown unusual cannot be unconquerable unforeseen concept challenge adversity competition difficulty abstract surreal road to nowhere blindfolded obstacles