Task: Wrong Candidate Generation
Input (English): Context: But anywhos off I go now to take the kids for a walk . I have been walking everynight now and the pounds are dripping off me . I have been able to turn my life around and look forward to the future as I know that there are many people out there that care so much . 
Question: What may be the reason why they are losing weight now ? 
Correct Answer: Because they are exercising .
Output (English): Because they had weight loss surgery .