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