sentences:  Tuttle repairs Sam's air conditioning, but when two Central Services workers, Spoor and Dowser, arrive, Sam has to fob them off to let Tuttle escape.The workers later return to demolish Sam's ducts and seize his apartment under pretence of fixing the system.Sam discovers that the only way to learn about Jill is to be transferred to Information Retrieval, where he will be able to access her classified records.