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