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