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