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