Yet another Human Verification question
 

Regarding "Question and Answer Verification"

Lets say the question to the answer I have set up is 50.

If the user trying to register instead of typing 50, types fifty instead what happens?

Or, I guess another way to ask my question is, can I have multiple answers to a single question. Lets say the answer this time is 52, and the user trying to register types fifty two, or fiftytwo.

Can I have multiple correct answers such as: 52 fifty two or fiftytwo?

If so, do I need to add a comma between each such as: 52, fifty two, fiftytwo. Or just type 52 fifty two fiftytwo.

Thanks for any direction you all can provide.