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John Bonomo , a Nynex spokesman , says the telephone company needs to monitor operators to evaluate performance during the first six months on the job .
 John Bonomo, Nynex, the first six months
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: date, organization, person, geographical social political, national religious political, facility, cardinal, location, work of art, law, event, product, ordinal, percent, time, quantity, money, language 
Text: {0} 
Answer:
 John Bonomo, Nynex, the first six months