Task: Wrong Candidate Generation
Input (English): Context: Well , compared to how I was sleeping , that is . Like I sometimes can stay asleep for 2 - 3 hours at a time ! I ' m not taking any sleeping pills , either . There are still many nights that I spend too many hours " sleep dozing " sitting up at the kitchen table , though . 
Question: What may cause to doze off at the kitchen table ? 
Correct Answer: I do n't get enough rest .
Output (English): I can only stay asleep for 2 - 3 hours .