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