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