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