Task: Wrong Candidate Generation
Input (English): Context: When , I was young I used to be scared of the stairs because I thought it was creepy . Now , it 's the perfect place to get a little naughty , and completely out of sight . Click here to see video clips from my naughty little hiding spot . Right on the stairs , I stripped out of my clothes , leaving on only my boots . 
Question: what may be the reason for stairs being creepy ? 
Correct Answer: They are dark .
Output (English): They 've fallen down the stairs before .