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