Task: Wrong Candidate Generation
Input (English): Context: Amber and I were going up there ever few weeks just to spend time with her and get Dad a little relief . Its really hard . Watching her learn to walk again , watching a machine breathe for her , but I ' m glad I was there . 
Question: Why my their mother had to learn to walk again ? 
Correct Answer: She may have to learn to walk after a stroke .
Output (English): She may have forgotten how to walk due to Alzheimer 's .