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