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