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