It's all about the execution
Give her a couple of test tickles...
The ability to tell a person to go to hell in such a way that they look forward to the trip.
ISIS
Their first act since arriving was to go after the elderly.
A bit late, but.... A blonde who heard a joke on Friday.
Ten. (Shame this one doesn't work too well for reddit - the funniest part of this joke is the third punchline enjoying people struggle to understand what the hell you're talking about.)
The execution.