Stochastic Consistency Test

Here are 5 jokes:

1. Why don't scientists trust atoms? Because they make up everything.
2. Why did the scarecrow win an award? Because he was outstanding in his field.
3. I told my wife she was drawing her eyebrows too high. She looked surprised.
4. Parallel lines have so much in common. It’s a shame they’ll never meet.
5. What do you call a bear with no teeth? A gummy bear.

5 of them are unique.