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