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