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