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