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