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