Stochastic Consistency Test

Here are 5 jokes:

1. Why don’t skeletons fight each other?
   They don’t have the guts.

2. I told my plants a secret…
   Now they’re judging me.

3. What do you call fake spaghetti?
   An im-pasta.

4. Why did the scarecrow win an award?
   Because he was outstanding in his field.

5. I’m reading a book about anti-gravity.
   It’s impossible to put down!

How many are unique?
All 5 jokes are unique! 😄 Let me know if you'd like me to refine them or add more.