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