Here are 3 different sayings encoded using the same code:
C: SFBJ'P JFK IYWWKVKDMK ZKJSKKD JFK 1950'P BDI JFK 1980'P?
B: YD JFK 80'P, B OBD SBXQP YDJE B IVNLPJEVK BDI PJBJKP XENIXG, "Y'I
XYQK PEOK MEDIEOP," BDI JFKD, XKBDYDL EAKV JFK MENDJKV, SFYPRKVP,
"BDI PEOK MYLBVKJJKP."

IED'J VKXBT! YJ'P EDXG GENV JKDPYED JFBJ'P FEXIYDL GEN JELKJFKV.

WEVJNDK RVEAYIKP CNKPJYEDP WEV JFK LVKBJ BDPSKVP: #19
B: JE ZK EV DEJ JE ZK.
C: SFBJ YP JFK PCNBVK VEEJ EW 4Z^2?