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