Helpful Hint

When my parents were getting ready to leave on Lucy's birthday, I was trying to give her a subtle hint about what she should say to them before they leave.

After she guessed "Bye" and "Happy Birthday?", Kilian thought he would step in.

He said, "Lucy, it starts with a 'ffffffffff' sound". Which is true if you say "fank you for the present" like he does.