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