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