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