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