6353
Because of high Government risk and lack of guaranteed performance , cost-reimbursement contracts must be monitored far more closely than fixed-price contract s. The COTR , COR and Contracting Officer must ensure the contractor is providing its best efforts and is efficiently expending funds and controlling costs .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None