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