Task: Wrong Candidate Generation
Input (English): Context: The slide and 3 ft pool it goes into are lots of fun . Mateo loves the slide , but I have to go down with him . Hopefully by next year he 'll be able to go down himself and I can just catch him at the bottom . 
Question: Why Ca n't mateo go down the slide alone? 
Correct Answer: He ca n't swim.
Output (English): He does n't want to.