Select the most appropriate indirect form of the given sentence.
"Remove all the stains carefully and clean the windows," said the contractor to the worker.
1
The contractor said to the worker that you should remove all the stains carefully and clean the windows.
2
The contractor requested the worker to remove all the stains carefully and clean the windows.
3
The contractor told the worker that by removing all the stains carefully, the windows will be cleaned.
4
The contractor instructed the worker to remove all the stains carefully and clean the windows.