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: ['yellow', 'white', 'brown', 'green']. Hint: four colors are in the secret code but in the wrong positions.
Guess: ['yellow', 'yellow', 'yellow', 'white']. Hint: one color is in the correct position and one color is in the secret code but in the wrong position.
Guess: ['white', 'green', 'yellow', 'brown']. 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, yellow, green, yellow yellow, black, white, green green, yellow, white, brown brown, black, white, brown