Task: Wrong Candidate Generation
Input (English): Context: I got in this morning and the cleaners had spilled some coffee / glue hybrid on my desk . It had gone all the way under a box file that I use to keep all my USB gadgets out of the way : It was very firmly stuck fast : Then I had to clean up . Which was n't easy . 
Question: Why did the narrator have to clean up their desk ? 
Correct Answer: The cleaners made a mess .
Output (English): Their friends made a mess .