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