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