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