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