Can the cost of the raffle tickets from a nonprofit be deductible as a donation, gambling loss or not at all if I did not win?

I bought raffle tickets from a nonprofit organization for a chance to win an item.  I did not win the item or anything.  So can I deduct the money for the tickets as a...

1.  Charitable Donation or

2.  Gambling loss or

3.  Can't claim anything.

Thanks for your answer