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