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