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