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