Your goal is to find the secret four-color code. The following colors are possible: black, purple, pink, brown, blue, green.
Some guesses have already been made. I will provide feedback for each guess made with which it is possible to unambigiously determine the secret code.

Previous Guesses:
Guess: ['purple', 'brown', 'green', 'blue']. Hint: one color is in the correct position and two colors are in the secret code but in the wrong position.
Guess: ['black', 'purple', 'blue', 'blue']. Hint: one color is in the correct position and one color is in the secret code but in the wrong position.
Guess: ['purple', 'blue', 'blue', 'pink']. Hint: one color is in the secret code but in the wrong position.
Guess: ['brown', 'purple', 'green', 'black']. Hint: four colors are in the secret code but in the wrong positions.
A B C D
brown, blue, black, green blue, blue, brown, brown brown, purple, blue, blue black, brown, purple, green