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