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