For some unknown key de-cipher the ciphertex (check picture for full question)

For some unknown key de-cipher the ciphertext below and determine the key The original file is English text with punctuation. It is enciphered with a symmetric key cipher that uses XOR with a key length that is between 1 and 3 i. Say which attack you used ii. Describe the steps you took to determine the key. iii. List the key here AND the enciphered text