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