Task: Wrong Candidate Generation
Input (English): Context: She told me to pick ones that were n't full . How I ' m supposed to know which ones are full and which ones still have open space is beyond me . I just threw some things out there , and finally we worked it out to this . 
Question: Why did she tell me to pick ones that were n't full ? 
Correct Answer: Because the full ones are n't available .
Output (English): Because I 'm supposed to know which ones still have open space .