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