64899
After the interchange with the Massachusetts Turnpike , just before the route enters the Tip O'Neill Tunnel in Downtown Boston , it is reduced to six lanes .
 Massachusetts Turnpike, Tip, O'Neill Tunnel, Downtown Boston
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Massachusetts Turnpike, Tip, O'Neill Tunnel, Downtown Boston