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