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