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