A patent application has one claim, with limitations X, Y, and Z. Which of the following prior art meets the strict identity rule and anticipates the claim? 0 a) Reference 1, with limitations X and Y O b) Reference 1, with limitations X and Y; and Reference 2, with limitation Z O c) Reference 1, with limitations X, Y, and Z Q (:1) Reference 1, with limitation Y; and Reference 2, with limitations X and Z