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