Possible Clues:

• Assail with them and Cathy's
• Do they make out that Cathy's for sale, by the sound of it?
• Posh crafts
• They're all for sale, by the sound of it, and all over the water
• Thy sac makes them all for sale, by the sound of them
• It would seem that Cathy's got them for sale
• Expensive harbor sights
• Seems Cathy's for sale, by the sound of it
• Cathy's all for a sound sale
• Cathy's are all for sale, by the sound of them