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Commenting on the continued struggle to get control of German piston maker Kolbenschmidt , which has been hampered by regulatory obstacles , Hope said T&N 's confidence " continues to improve " that it may eventually be able to proceed .
 T&N, German, Hope, Kolbenschmidt
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 T&N, German, Hope, Kolbenschmidt