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