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