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