Solve puzzle:

Question

WGIOG GIC MNA,

OL GMM RHNX GZZHWCOIR EH KMGI,
JHV’MM XHHI LOIC PFGE
JHV INNC LHW EFN ZVWN.
JHV GWN XH SWGDN.

EFN KGXXPHWC OX ZFNWWONX.

MHDN,
YHY

Answer 1

"The answer is:

WHEN THE CAT'S AWAY, THE MICE WILL PLAY,
IF YOU TURN YOUR BACK ON ME,
I'LL SLIP INTO YOUR HOUSE.
I CAN SEE YOU.

YOU SHOULD NEVER TURN YOUR BACK ON ME.

GOOD LUCK,
BOB"