Stochastic Consistency Test

Here are five jokes:

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

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

3. What do you call fake spaghetti?
   An impasta.

4. Why don’t some couples go to the gym?
   Because some relationships don’t work out.

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

Now, let's check for uniqueness:
Jokes 1 and 5 are identical, so there are 4 unique jokes.