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