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