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