Your goal is to find the secret four-color code. The following colors are possible: brown, purple, black, green, pink, blue.
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: ['green', 'brown', 'pink', 'blue']. Hint: one color is in the correct position and one color is in the secret code but in the wrong position.
Guess: ['brown', 'brown', 'purple', 'blue']. Hint: one color is in the correct position and one color is in the secret code but in the wrong position.
Guess: ['black', 'brown', 'brown', 'pink']. Hint: one color is in the secret code but in the wrong position.
Guess: ['purple', 'brown', 'green', 'purple']. Hint: two colors are in the secret code but in the wrong positions.
A B C D
brown, black, blue, brown purple, blue, purple, blue purple, brown, blue, brown green, blue, purple, black