Here are 3 different sayings encoded using the same code:
A: OZS PZ CZD EJXC BQJKMKZDH BZDJQNNQ?
X: CZD HNXUP XBZDUP KU X GKBGJQ XUP RJXHEOQVQ XUP HQQ SOZ MQNH
HNBDGL RC JKMONUKUM FKBHN.
CZD XBQ GZUFDHQP; RDN NOKH KH CZDB UZBVXJ HNXNQ.
NZPXC KH SOXN OXEEQUQP NZ CQHNQBPXC.
I give up!