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