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