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