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