356698
By the time the machine appeared on the market , it had a different drive mechanism but it was apparent that the power unit was closely related to the Coco design , so the designer sued for breach of confidence in that the drawings and prototype engine had been supplied to Clark for evalution .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None