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