Retrieve the key and the whole plaintext when you received the following ciphertext: w swk bsfdb qurwibwtsfctjnws By chance, you also obtained some hints as follows: i. the sender uses simple substitution cipher to encrypt the plaintext. ii. the ciphertext represents seven words of plaintexts. iii. the key is of length 3 letters, and the second letter in the key is 'i' that gives the last word in a plaintext as 'cat'. You also know that the encoder has removed the blanks between the ciphertext. The key and plaintext are meaningful English words/phrase. Show every working steps until you reach to the