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