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