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