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