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