Task: Wrong Candidate Generation
Input (English): Context: Few of the puffs still resided on Popstar but many left to who knows where . " Those poor lost souls ... " The knight thought to himself . He remembered falling ... falling from the sky .... The sky was so deep and dark blue ... the stars were falling . The other puff creatures were ' born ' this way , too . Metaknight remembered how they fell like stars . 
Question: What may have caused the puffs to leave Popstar ? 
Correct Answer: They went astray .
Output (English): The knight made the puffs leave .