Q:

"It's not my business," said the postman. "Let the government do whatever it has to." 

• 1
  The postman said that it was the government's and not his business to do that.
• 2
  The postman said that the government did not do what it was expected to do.
• 3
  The postman said that it was not his business and that the government should do whatever it had to.
• 4
  The postman said that it was the business of the government to do whatever it had to.