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