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