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