Task: Wrong Candidate Generation
Input (English): Context: When I came back up , I heard enthusiastic WEE - OO - WEE - OO coming from his room . I popped my head in there and he made the noise at me and grinned . I asked " Firetruck ? ". 
Question: Why might he make that sound ? 
Correct Answer: He was playing make - believe with himself .
Output (English): I said " firetrucks " so he made the noise .