Question: You are a cryptanalyst ( attacker ) , and have the following information: A ciphertext that starts with BFDJ The first four letters of the

You are a cryptanalyst (attacker), and have the following information:
A ciphertext that starts with BFDJ
The first four letters of the plaintext: oops
A one-time pad was used as the key to encrypt
Based on these information, how would you go about decrypting the rest of the ciphertext and also finding the key?

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