Question: Assume that the following ciphertext has been produced using a substitution cipher. Please note that it may not be a simple shift by n substitution

Assume that the following ciphertext has been produced using a substitution cipher. Please note that it may not be a simple shift by nsubstitution. The ciphertext is as follows:

AOE DQFTREDA ENUFTRE JS HGCTAJXGUTOC QD AOE AGUYDSJGFUAQJY JS QYSJGFUAQJY AJ TGEVEYA JAOEGD SGJF JLDEGVQYX QAD FEUYQYX. OEGE, BE TGEVEYA QYSJGFUAQJY SGJF GEUHOQYX UY EYEFC QY U KDULRE SJGF. HJYSQMEYAQURQAC QD VQEBEM UD AOE HEYAGUR QDDKE QY AOE SQERM JS QYSJGFUAQJY TGJAEHAQJY. DEHKGE HJFFKYQHUAQJY QD AOE DAGUQXOASJGBUGM KDE JS HGCTAJXGUTOC. AOE IEC FUYUXEFEYA TGJLREF OUD TGEVEYAEM DEHKGE HJFFKYQHUAQJY SGJF LEHJFQYX HJFFJYTRUHE. AOE MEVERJTFEYA JS TKLRQH-IEC HGCTAJXGUTOC HGEUAED U RUGXE-DHURE YEABJGI JS TEJTRE BOJ HUY HJFFKYQHUAE DEHKGERC BQAO JYE UYJAOEG EVEY QS AOEC OUM YEVEG HJFFKYQHUAEM LESJGE.

Find the plaintext by frequency analysis technique.

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