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