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