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