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