Possible Clues:

• Didn't lose the head with what aristocrat did to get away from Madame La Guillotine (5,3'1,4)
• Kept the head - it's what aristocrat did getting away from Madame La Guillotine (5,3'1,4)
• Be grateful to Bell perhaps as it was not something Madame La Guillotine ever did (5,3'1,4)