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