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