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