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